radeonfb.c revision 1.90 1 /* $NetBSD: radeonfb.c,v 1.90 2017/08/11 22:59:05 macallan Exp $ */
2
3 /*-
4 * Copyright (c) 2006 Itronix Inc.
5 * All rights reserved.
6 *
7 * Written by Garrett D'Amore for Itronix Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of Itronix Inc. may not be used to endorse
18 * or promote products derived from this software without specific
19 * prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS
22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * ATI Technologies Inc. ("ATI") has not assisted in the creation of, and
36 * does not endorse, this software. ATI will not be responsible or liable
37 * for any actual or alleged damage or loss caused by or in connection with
38 * the use of or reliance on this software.
39 */
40
41 /*
42 * Portions of this code were taken from XFree86's Radeon driver, which bears
43 * this notice:
44 *
45 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
46 * VA Linux Systems Inc., Fremont, California.
47 *
48 * All Rights Reserved.
49 *
50 * Permission is hereby granted, free of charge, to any person obtaining
51 * a copy of this software and associated documentation files (the
52 * "Software"), to deal in the Software without restriction, including
53 * without limitation on the rights to use, copy, modify, merge,
54 * publish, distribute, sublicense, and/or sell copies of the Software,
55 * and to permit persons to whom the Software is furnished to do so,
56 * subject to the following conditions:
57 *
58 * The above copyright notice and this permission notice (including the
59 * next paragraph) shall be included in all copies or substantial
60 * portions of the Software.
61 *
62 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
63 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
64 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
65 * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
66 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
67 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
68 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
69 * DEALINGS IN THE SOFTWARE.
70 */
71
72 #include <sys/cdefs.h>
73 __KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.90 2017/08/11 22:59:05 macallan Exp $");
74
75 #include <sys/param.h>
76 #include <sys/systm.h>
77 #include <sys/device.h>
78 #include <sys/malloc.h>
79 #include <sys/bus.h>
80 #include <sys/kernel.h>
81 #include <sys/lwp.h>
82 #include <sys/kauth.h>
83
84 #include <dev/wscons/wsdisplayvar.h>
85 #include <dev/wscons/wsconsio.h>
86 #include <dev/wsfont/wsfont.h>
87 #include <dev/rasops/rasops.h>
88 #include <dev/videomode/videomode.h>
89 #include <dev/videomode/edidvar.h>
90 #include <dev/wscons/wsdisplay_vconsvar.h>
91 #include <dev/pci/wsdisplay_pci.h>
92 #include <dev/wscons/wsdisplay_glyphcachevar.h>
93
94 #include <dev/pci/pcidevs.h>
95 #include <dev/pci/pcireg.h>
96 #include <dev/pci/pcivar.h>
97 #include <dev/pci/pciio.h>
98 #include <dev/pci/radeonfbreg.h>
99 #include <dev/pci/radeonfbvar.h>
100 #include "opt_radeonfb.h"
101 #include "opt_vcons.h"
102
103 #ifdef RADEONFB_DEPTH_32
104 #define RADEONFB_DEFAULT_DEPTH 32
105 #else
106 #define RADEONFB_DEFAULT_DEPTH 8
107 #endif
108
109 static int radeonfb_match(device_t, cfdata_t, void *);
110 static void radeonfb_attach(device_t, device_t, void *);
111 static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
112 struct lwp *);
113 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
114 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
115 static void radeonfb_loadbios(struct radeonfb_softc *,
116 const struct pci_attach_args *);
117
118 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
119 uintmax_t);
120 static int radeonfb_getclocks(struct radeonfb_softc *);
121 static int radeonfb_gettmds(struct radeonfb_softc *);
122 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
123 uint32_t *, uint32_t *);
124 static int radeonfb_getconnectors(struct radeonfb_softc *);
125 static const struct videomode *radeonfb_modelookup(const char *);
126 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
127 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
128 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
129 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
130 static void radeonfb_modeswitch(struct radeonfb_display *);
131 static void radeonfb_setcrtc(struct radeonfb_display *, int);
132 static void radeonfb_init_misc(struct radeonfb_softc *);
133 static void radeonfb_set_fbloc(struct radeonfb_softc *);
134 static void radeonfb_init_palette(struct radeonfb_display *);
135 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
136
137 static int radeonfb_isblank(struct radeonfb_display *);
138 static void radeonfb_blank(struct radeonfb_display *, int);
139 static int radeonfb_set_cursor(struct radeonfb_display *,
140 struct wsdisplay_cursor *);
141 static int radeonfb_set_curpos(struct radeonfb_display *,
142 struct wsdisplay_curpos *);
143 static void radeonfb_putpal(struct radeonfb_display *, int, int, int, int);
144 static int radeonfb_putcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
145 static int radeonfb_getcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
146
147 /* acceleration support */
148 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
149 int width, int height, uint32_t color);
150 static void radeonfb_rectfill_a(void *, int, int, int, int, long);
151 static void radeonfb_bitblt(void *, int srcx, int srcy,
152 int dstx, int dsty, int width, int height, int rop);
153
154 /* hw cursor support */
155 static void radeonfb_cursor_cmap(struct radeonfb_display *);
156 static void radeonfb_cursor_shape(struct radeonfb_display *);
157 static void radeonfb_cursor_position(struct radeonfb_display *);
158 static void radeonfb_cursor_visible(struct radeonfb_display *);
159 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
160
161 static inline void radeonfb_wait_fifo(struct radeonfb_softc *, int);
162 static void radeonfb_engine_idle(struct radeonfb_softc *);
163 static void radeonfb_engine_flush(struct radeonfb_softc *);
164 static void radeonfb_engine_reset(struct radeonfb_softc *);
165 static void radeonfb_engine_init(struct radeonfb_display *);
166 static inline void radeonfb_unclip(struct radeonfb_softc *) __unused;
167
168 static void radeonfb_eraserows(void *, int, int, long);
169 static void radeonfb_erasecols(void *, int, int, int, long);
170 static void radeonfb_copyrows(void *, int, int, int);
171 static void radeonfb_copycols(void *, int, int, int, int);
172 static void radeonfb_cursor(void *, int, int, int);
173 static void radeonfb_putchar(void *, int, int, unsigned, long);
174 static void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
175 static void radeonfb_putchar_aa8(void *, int, int, unsigned, long);
176 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
177 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
178 #endif
179
180 static int radeonfb_set_backlight(struct radeonfb_display *, int);
181 static int radeonfb_get_backlight(struct radeonfb_display *);
182 static void radeonfb_switch_backlight(struct radeonfb_display *, int);
183 static void radeonfb_lvds_callout(void *);
184
185 static void radeonfb_brightness_up(device_t);
186 static void radeonfb_brightness_down(device_t);
187
188 static struct videomode *radeonfb_best_refresh(struct videomode *,
189 struct videomode *);
190 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
191 uint16_t *, int);
192 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
193 struct radeonfb_port *, int, int);
194
195 static int radeonfb_drm_print(void *, const char *);
196
197 #ifdef RADEONFB_DEBUG
198 int radeon_debug = 1;
199 #define DPRINTF(x) \
200 if (radeon_debug) printf x
201 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
202 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
203 #else
204 #define DPRINTF(x)
205 #define PRINTREG(r)
206 #define PRINTPLL(r)
207 #endif
208
209 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
210
211 #ifndef RADEON_DEFAULT_MODE
212 /* any reasonably modern display should handle this */
213 #define RADEON_DEFAULT_MODE "1024x768x60"
214 #endif
215
216 extern const u_char rasops_cmap[768];
217
218 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
219
220 static struct {
221 int size; /* minimum memory size (MB) */
222 int maxx; /* maximum x dimension */
223 int maxy; /* maximum y dimension */
224 int maxbpp; /* maximum bpp */
225 int maxdisp; /* maximum logical display count */
226 } radeonfb_limits[] = {
227 { 32, 2048, 1536, 32, 2 },
228 { 16, 1600, 1200, 32, 2 },
229 { 8, 1600, 1200, 32, 1 },
230 { 0, 0, 0, 0, 0 },
231 };
232
233 static struct wsscreen_descr radeonfb_stdscreen = {
234 "fb", /* name */
235 0, 0, /* ncols, nrows */
236 NULL, /* textops */
237 8, 16, /* fontwidth, fontheight */
238 WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE | WSSCREEN_RESIZE, /* capabilities */
239 0, /* modecookie */
240 };
241
242 struct wsdisplay_accessops radeonfb_accessops = {
243 radeonfb_ioctl,
244 radeonfb_mmap,
245 NULL, /* vcons_alloc_screen */
246 NULL, /* vcons_free_screen */
247 NULL, /* vcons_show_screen */
248 NULL, /* load_font */
249 NULL, /* pollc */
250 NULL, /* scroll */
251 };
252
253 static struct {
254 uint16_t devid;
255 uint16_t family;
256 uint16_t flags;
257 } radeonfb_devices[] =
258 {
259 /* R100 family */
260 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
261 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
262 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
263 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
264
265 /* RV100 family */
266 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
267 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
268 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
269 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
270
271 /* RS100 family */
272 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
273 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
274
275 /* RS200/RS250 family */
276 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
277 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
278 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
279 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
280
281 /* R200 family */
282 /* add more R200 products? , 5148 */
283 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
284 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
285 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
286 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
287 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
288
289 /* RV200 family */
290 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
291 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
292 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
293 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
294
295 /* RV250 family */
296 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
297 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
298 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
299 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
300 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
301
302 /* RS300 family */
303 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
304 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
305 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
306 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
307
308 /* RV280 family */
309 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
310 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
311 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
312 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
313 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
314 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
315 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
316
317 /* R300 family */
318 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
319 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
320 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
321 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
322 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
323 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
324 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
325 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
326
327 /* RV350/RV360 family */
328 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
329 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
330 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
331 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
332 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
333 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
334 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
335 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
336 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
337 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
338 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
339 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
340
341 /* R350/R360 family */
342 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
343 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
344 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
345 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
346 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
347 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
348 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
349 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
350
351 /* RV380/RV370 family */
352 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
353 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
354 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
355 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
356 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
357 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
358 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
359 { PCI_PRODUCT_ATI_RADEON_RV370_5B63, RADEON_RV380, 0 },
360 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
361 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
362
363 #if notyet
364 /* R420/R423 family */
365 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
366 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
367 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
368 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
369 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
370 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
371 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
372 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
373 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
374 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
375 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
376 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
377 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
378 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
379 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
380 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
381 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
382
383 /* R5xx family */
384 { 0x7240, RADEON_R420, 0 },
385 #endif
386 { 0, 0, 0 }
387 };
388
389 static struct {
390 int divider;
391 int mask;
392 } radeonfb_dividers[] = {
393 { 16, 5 },
394 { 12, 7 },
395 { 8, 3 },
396 { 6, 6 },
397 { 4, 2 },
398 { 3, 4 },
399 { 2, 1 },
400 { 1, 0 },
401 { 0, 0 }
402 };
403
404 /*
405 * This table taken from X11.
406 */
407 static const struct {
408 int family;
409 struct radeon_tmds_pll plls[4];
410 } radeonfb_tmds_pll[] = {
411 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
412 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
413 { RADEON_RS100, {{0, 0}}},
414 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
415 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
416 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
417 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
418 { RADEON_RS300, {{0, 0}}},
419 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
420 { RADEON_R300, {{-1, 0xb01cb}}},
421 { RADEON_R350, {{-1, 0xb01cb}}},
422 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
423 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
424 { RADEON_R420, {{-1, 0xb01cb}}},
425 };
426
427 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
428
429
430 CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
431 radeonfb_match, radeonfb_attach, NULL, NULL);
432
433 static int
434 radeonfb_match(device_t parent, cfdata_t match, void *aux)
435 {
436 const struct pci_attach_args *pa = aux;
437 int i;
438
439 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
440 return 0;
441
442 for (i = 0; radeonfb_devices[i].devid; i++) {
443 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
444 return 100; /* high to defeat VGA/VESA */
445 }
446
447 return 0;
448 }
449
450 static void
451 radeonfb_attach(device_t parent, device_t dev, void *aux)
452 {
453 struct radeonfb_softc *sc = device_private(dev);
454 const struct pci_attach_args *pa = aux;
455 const char *mptr;
456 bus_size_t bsz;
457 pcireg_t screg;
458 int i, j, fg, bg, ul, flags;
459 uint32_t v;
460
461 sc->sc_dev = dev;
462 sc->sc_id = pa->pa_id;
463 for (i = 0; radeonfb_devices[i].devid; i++) {
464 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
465 break;
466 }
467
468 pci_aprint_devinfo(pa, NULL);
469
470 DPRINTF(("%s", prop_dictionary_externalize(device_properties(dev))));
471
472 KASSERT(radeonfb_devices[i].devid != 0);
473 sc->sc_pt = pa->pa_tag;
474 sc->sc_iot = pa->pa_iot;
475 sc->sc_pc = pa->pa_pc;
476 sc->sc_family = radeonfb_devices[i].family;
477 sc->sc_flags = radeonfb_devices[i].flags;
478
479 /* enable memory and IO access */
480 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
481 screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
482 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
483
484 /*
485 * Some flags are general to entire chip families, and rather
486 * than clutter up the table with them, we go ahead and set
487 * them here.
488 */
489 switch (sc->sc_family) {
490 case RADEON_RS100:
491 case RADEON_RS200:
492 sc->sc_flags |= RFB_IGP | RFB_RV100;
493 break;
494
495 case RADEON_RV100:
496 case RADEON_RV200:
497 case RADEON_RV250:
498 case RADEON_RV280:
499 sc->sc_flags |= RFB_RV100;
500 break;
501
502 case RADEON_RS300:
503 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
504 break;
505
506 case RADEON_R300:
507 case RADEON_RV350:
508 case RADEON_R350:
509 case RADEON_RV380:
510 case RADEON_R420:
511 /* newer chips */
512 sc->sc_flags |= RFB_R300;
513 break;
514
515 case RADEON_R100:
516 sc->sc_flags |= RFB_NCRTC2;
517 break;
518 }
519
520 if ((sc->sc_family == RADEON_RV200) ||
521 (sc->sc_family == RADEON_RV250) ||
522 (sc->sc_family == RADEON_RV280) ||
523 (sc->sc_family == RADEON_RV350)) {
524 bool inverted = 0;
525 /* backlight level is linear */
526 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
527 prop_dictionary_get_bool(device_properties(sc->sc_dev),
528 "backlight_level_reverted", &inverted);
529 if (inverted) {
530 DPRINTF(("nope, it's inverted\n"));
531 sc->sc_flags |= RFB_INV_BLIGHT;
532 }
533 } else
534 sc->sc_flags |= RFB_INV_BLIGHT;
535
536 /*
537 * XXX: to support true multihead, this must change.
538 */
539 sc->sc_ndisplays = 1;
540
541 /* XXX: */
542 if (!HAS_CRTC2(sc)) {
543 sc->sc_ndisplays = 1;
544 }
545
546 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
547 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
548 &sc->sc_regsz) != 0) {
549 aprint_error("%s: unable to map registers!\n", XNAME(sc));
550 goto error;
551 }
552
553 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
554 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
555 {
556 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
557 goto error;
558 }
559 sc->sc_romt = sc->sc_memt;
560
561 sc->sc_mapped = TRUE;
562
563 /* scratch register test... */
564 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
565 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
566 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
567 goto error;
568 }
569
570 PRINTREG(RADEON_CRTC_EXT_CNTL);
571 PRINTREG(RADEON_CRTC_GEN_CNTL);
572 PRINTREG(RADEON_CRTC2_GEN_CNTL);
573 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
574 PRINTREG(RADEON_DAC_CNTL2);
575 PRINTREG(RADEON_FP_GEN_CNTL);
576 PRINTREG(RADEON_FP2_GEN_CNTL);
577
578 PRINTREG(RADEON_BIOS_4_SCRATCH);
579 PRINTREG(RADEON_FP_GEN_CNTL);
580 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
581 PRINTREG(RADEON_FP2_GEN_CNTL);
582 PRINTREG(RADEON_TMDS_CNTL);
583 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
584 PRINTREG(RADEON_TMDS_PLL_CNTL);
585 PRINTREG(RADEON_LVDS_GEN_CNTL);
586 PRINTREG(RADEON_FP_HORZ_STRETCH);
587 PRINTREG(RADEON_FP_VERT_STRETCH);
588
589 if (IS_RV100(sc))
590 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
591
592 /* XXX
593 * according to xf86-video-radeon R3xx has this bit backwards
594 */
595 if (IS_R300(sc)) {
596 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
597 0,
598 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
599 } else {
600 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
601 RADEON_TMDS_TRANSMITTER_PLLEN,
602 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
603 }
604
605 radeonfb_i2c_init(sc);
606
607 radeonfb_loadbios(sc, pa);
608
609 #ifdef RADEONFB_BIOS_INIT
610 if (radeonfb_bios_init(sc)) {
611 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
612 }
613 #endif
614
615 if (radeonfb_getclocks(sc)) {
616 aprint_error("%s: Unable to get reference clocks from BIOS\n",
617 XNAME(sc));
618 goto error;
619 }
620
621 if (radeonfb_gettmds(sc)) {
622 aprint_error("%s: Unable to identify TMDS PLL settings\n",
623 XNAME(sc));
624 goto error;
625 }
626
627 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
628 "minpll = %d, maxpll = %d\n", XNAME(sc),
629 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
630 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
631
632 radeonfb_getconnectors(sc);
633
634 radeonfb_set_fbloc(sc);
635
636 /* 64 MB should be enough -- more just wastes map entries */
637 if (sc->sc_memsz > (64 << 20))
638 sc->sc_memsz = (64 << 20);
639
640 for (i = 0; radeonfb_limits[i].size; i++) {
641 if (sc->sc_memsz >= radeonfb_limits[i].size) {
642 sc->sc_maxx = radeonfb_limits[i].maxx;
643 sc->sc_maxy = radeonfb_limits[i].maxy;
644 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
645 /* framebuffer offset, start at a 4K page */
646 sc->sc_fboffset = sc->sc_memsz /
647 radeonfb_limits[i].maxdisp;
648 /*
649 * we use the fbsize to figure out where we can store
650 * things like cursor data.
651 */
652 sc->sc_fbsize =
653 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
654 RADEON_STRIDEALIGN) * sc->sc_maxy,
655 4096);
656 break;
657 }
658 }
659
660
661 radeonfb_init_misc(sc);
662
663 /* program the DAC wirings */
664 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
665 switch (sc->sc_ports[i].rp_dac_type) {
666 case RADEON_DAC_PRIMARY:
667 PATCH32(sc, RADEON_DAC_CNTL2,
668 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
669 ~RADEON_DAC2_DAC_CLK_SEL);
670 break;
671 case RADEON_DAC_TVDAC:
672 /* we always use the TVDAC to drive a secondary analog
673 * CRT for now. if we ever support TV-out this will
674 * have to change.
675 */
676 SET32(sc, RADEON_DAC_CNTL2,
677 RADEON_DAC2_DAC2_CLK_SEL);
678 PATCH32(sc, RADEON_DISP_HW_DEBUG,
679 i ? 0 : RADEON_CRT2_DISP1_SEL,
680 ~RADEON_CRT2_DISP1_SEL);
681 /* we're using CRTC2 for the 2nd port */
682 if (sc->sc_ports[i].rp_number == 1) {
683 PATCH32(sc, RADEON_DISP_OUTPUT_CNTL,
684 RADEON_DISP_DAC2_SOURCE_CRTC2,
685 ~RADEON_DISP_DAC2_SOURCE_MASK);
686 }
687
688 break;
689 }
690 DPRINTF(("%s: port %d tmds type %d\n", __func__, i,
691 sc->sc_ports[i].rp_tmds_type));
692 switch (sc->sc_ports[i].rp_tmds_type) {
693 case RADEON_TMDS_INT:
694 /* point FP0 at the CRTC this port uses */
695 DPRINTF(("%s: plugging internal TMDS into CRTC %d\n",
696 __func__, sc->sc_ports[i].rp_number));
697 if (IS_R300(sc)) {
698 PATCH32(sc, RADEON_FP_GEN_CNTL,
699 sc->sc_ports[i].rp_number ?
700 R200_FP_SOURCE_SEL_CRTC2 :
701 R200_FP_SOURCE_SEL_CRTC1,
702 ~R200_FP_SOURCE_SEL_MASK);
703 } else {
704 PATCH32(sc, RADEON_FP_GEN_CNTL,
705 sc->sc_ports[i].rp_number ?
706 RADEON_FP_SEL_CRTC2 :
707 RADEON_FP_SEL_CRTC1,
708 ~RADEON_FP_SEL_MASK);
709 }
710 }
711 }
712 PRINTREG(RADEON_DAC_CNTL2);
713 PRINTREG(RADEON_DISP_HW_DEBUG);
714
715 /* other DAC programming */
716 v = GET32(sc, RADEON_DAC_CNTL);
717 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
718 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
719 PUT32(sc, RADEON_DAC_CNTL, v);
720 PRINTREG(RADEON_DAC_CNTL);
721
722 /* XXX: this may need more investigation */
723 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
724 PRINTREG(RADEON_TV_DAC_CNTL);
725
726 /* enable TMDS */
727 SET32(sc, RADEON_FP_GEN_CNTL,
728 RADEON_FP_TMDS_EN |
729 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
730 RADEON_FP_CRTC_DONT_SHADOW_HEND);
731 /*
732 * XXX
733 * no idea why this is necessary - if I do not clear this bit on my
734 * iBook G4 the screen remains black, even though it's already clear.
735 * It needs to be set on my Sun XVR-100 for the DVI port to work
736 * TODO:
737 * see if this is still necessary now that CRTCs, DACs and outputs are
738 * getting wired up in a halfway sane way
739 */
740 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
741 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
742 } else {
743 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
744 }
745
746 /*
747 * we use bus_space_map instead of pci_mapreg, because we don't
748 * need the full aperature space. no point in wasting virtual
749 * address space we don't intend to use, right?
750 */
751 if ((sc->sc_memsz < (4096 * 1024)) ||
752 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
753 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
754 (bsz < sc->sc_memsz)) {
755 sc->sc_memsz = 0;
756 aprint_error("%s: Bad frame buffer configuration\n",
757 XNAME(sc));
758 goto error;
759 }
760
761 sc->sc_memt = pa->pa_memt;
762 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
763 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
764 sc->sc_memsz = 0;
765 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
766 goto error;
767 }
768
769 aprint_normal("%s: %d MB aperture at 0x%08x, "
770 "%d KB registers at 0x%08x\n", XNAME(sc),
771 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
772 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
773
774 /* setup default video mode from devprop (allows PROM override) */
775 sc->sc_defaultmode = radeonfb_default_mode;
776 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
777 "videomode", &mptr)) {
778
779 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
780 sc->sc_defaultmode = sc->sc_modebuf;
781 }
782
783 /* initialize some basic display parameters */
784 for (i = 0; i < sc->sc_ndisplays; i++) {
785 struct radeonfb_display *dp = &sc->sc_displays[i];
786 struct rasops_info *ri;
787 long defattr;
788 struct wsemuldisplaydev_attach_args aa;
789
790 /*
791 * Figure out how many "displays" (desktops) we are going to
792 * support. If more than one, then each CRTC gets its own
793 * programming.
794 *
795 * XXX: this code needs to change to support mergedfb.
796 * XXX: would be nice to allow this to be overridden
797 */
798 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
799 DPRINTF(("dual crtcs!\n"));
800 dp->rd_ncrtcs = 2;
801 dp->rd_crtcs[0].rc_port =
802 &sc->sc_ports[0];
803 dp->rd_crtcs[0].rc_number = sc->sc_ports[0].rp_number;
804 dp->rd_crtcs[1].rc_port =
805 &sc->sc_ports[1];
806 dp->rd_crtcs[1].rc_number = sc->sc_ports[1].rp_number;
807 } else {
808 dp->rd_ncrtcs = 1;
809 dp->rd_crtcs[0].rc_port =
810 &sc->sc_ports[i];
811 dp->rd_crtcs[0].rc_number = sc->sc_ports[i].rp_number;
812 }
813
814 dp->rd_softc = sc;
815 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
816 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
817
818 /* for text mode, we pick a resolution that won't
819 * require panning */
820 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
821
822 aprint_normal("%s: display %d: "
823 "initial virtual resolution %dx%d at %d bpp\n",
824 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
825 aprint_normal_dev(sc->sc_dev, "using %d MB per display\n",
826 sc->sc_fboffset >> 20);
827 /* now select the *video mode* that we will use */
828 for (j = 0; j < dp->rd_ncrtcs; j++) {
829 const struct videomode *vmp;
830 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
831 dp->rd_virtx, dp->rd_virty);
832
833 /*
834 * virtual resolution should be at least as high as
835 * physical
836 */
837 if (dp->rd_virtx < vmp->hdisplay ||
838 dp->rd_virty < vmp->vdisplay) {
839 dp->rd_virtx = vmp->hdisplay;
840 dp->rd_virty = vmp->vdisplay;
841 }
842
843 dp->rd_crtcs[j].rc_videomode = *vmp;
844 printf("%s: port %d: physical %dx%d %dHz\n",
845 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
846 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
847 vmp->htotal), vmp->vtotal));
848 }
849
850 /* N.B.: radeon wants 64-byte aligned stride */
851 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
852 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
853 DPRINTF(("stride: %d\n", dp->rd_stride));
854
855 dp->rd_offset = sc->sc_fboffset * i;
856 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
857 sc->sc_memh) + dp->rd_offset;
858 dp->rd_curoff = sc->sc_fboffset - 4096; /* 4KB cursor space */
859 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
860
861 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
862
863 switch (dp->rd_bpp) {
864 case 8:
865 dp->rd_format = 2;
866 break;
867 case 32:
868 dp->rd_format = 6;
869 break;
870 default:
871 aprint_error("%s: bad depth %d\n", XNAME(sc),
872 dp->rd_bpp);
873 goto error;
874 }
875
876 DPRINTF(("init engine\n"));
877 /* XXX: this seems suspicious - per display engine
878 initialization? */
879 radeonfb_engine_init(dp);
880
881 /* copy the template into place */
882 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
883 dp->rd_wsscreens = dp->rd_wsscreens_storage;
884
885 /* and make up the list */
886 dp->rd_wsscreenlist.nscreens = 1;
887 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
888
889 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
890 &radeonfb_accessops);
891
892 dp->rd_vd.init_screen = radeonfb_init_screen;
893
894 #ifdef RADEONFB_DEBUG
895 dp->rd_virty -= 200;
896 #endif
897
898 dp->rd_console = 0;
899 prop_dictionary_get_bool(device_properties(sc->sc_dev),
900 "is_console", &dp->rd_console);
901
902 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
903
904
905 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
906 dp->rd_console, &defattr);
907
908 ri = &dp->rd_vscreen.scr_ri;
909
910 /* clear the screen */
911 rasops_unpack_attr(defattr, &fg, &bg, &ul);
912 dp->rd_bg = ri->ri_devcmap[bg & 0xf];
913 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
914 dp->rd_bg);
915
916 dp->rd_wsscreens->textops = &ri->ri_ops;
917 dp->rd_wsscreens->capabilities = ri->ri_caps;
918 dp->rd_wsscreens->nrows = ri->ri_rows;
919 dp->rd_wsscreens->ncols = ri->ri_cols;
920
921 #ifdef SPLASHSCREEN
922 dp->rd_splash.si_depth = ri->ri_depth;
923 dp->rd_splash.si_bits = ri->ri_bits;
924 dp->rd_splash.si_hwbits = ri->ri_hwbits;
925 dp->rd_splash.si_width = ri->ri_width;
926 dp->rd_splash.si_height = ri->ri_height;
927 dp->rd_splash.si_stride = ri->ri_stride;
928 dp->rd_splash.si_fillrect = NULL;
929 #endif
930 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
931 dp->rd_gc.gc_rectfill = radeonfb_rectfill_a;
932 dp->rd_gc.gc_rop = RADEON_ROP3_S;
933 dp->rd_gc.gc_blitcookie = dp;
934 /*
935 * use memory between framebuffer and cursor area as glyph
936 * cache, cap at 4096 lines
937 */
938 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
939 min(4096,
940 (dp->rd_curoff / dp->rd_stride) - (dp->rd_virty + 4)),
941 dp->rd_virtx,
942 ri->ri_font->fontwidth,
943 ri->ri_font->fontheight,
944 defattr);
945 dp->rd_vd.show_screen_cookie = &dp->rd_gc;
946 dp->rd_vd.show_screen_cb = glyphcache_adapt;
947
948 if (dp->rd_console) {
949
950 radeonfb_modeswitch(dp);
951 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
952 defattr);
953 #ifdef SPLASHSCREEN
954 if (splash_render(&dp->rd_splash,
955 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
956 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
957 else
958 #endif
959 vcons_replay_msgbuf(&dp->rd_vscreen);
960 } else {
961
962 /*
963 * since we're not the console we can postpone
964 * the rest until someone actually allocates a
965 * screen for us. but we do clear the screen
966 * at least.
967 */
968 memset(ri->ri_bits, 0, 1024);
969
970 radeonfb_modeswitch(dp);
971 #ifdef SPLASHSCREEN
972 if (splash_render(&dp->rd_splash,
973 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
974 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
975 #endif
976 }
977
978 aa.console = dp->rd_console;
979 aa.scrdata = &dp->rd_wsscreenlist;
980 aa.accessops = &radeonfb_accessops;
981 aa.accesscookie = &dp->rd_vd;
982
983 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
984
985 radeonfb_blank(dp, 0);
986
987 /* Initialise delayed lvds operations for backlight. */
988 callout_init(&dp->rd_bl_lvds_co, 0);
989 callout_setfunc(&dp->rd_bl_lvds_co,
990 radeonfb_lvds_callout, dp);
991 dp->rd_bl_on = 1;
992 dp->rd_bl_level = radeonfb_get_backlight(dp);
993 radeonfb_set_backlight(dp, dp->rd_bl_level);
994 }
995
996 for (i = 0; i < RADEON_NDISPLAYS; i++)
997 radeonfb_init_palette(&sc->sc_displays[i]);
998
999 if (HAS_CRTC2(sc)) {
1000 CLR32(sc, RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_DISP_DIS);
1001 }
1002
1003 CLR32(sc, RADEON_CRTC_EXT_CNTL, RADEON_CRTC_DISPLAY_DIS);
1004 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_FPON);
1005 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
1006 radeonfb_brightness_up, TRUE);
1007 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
1008 radeonfb_brightness_down, TRUE);
1009
1010 /*
1011 * if we attach a DRM we need to unmap registers in
1012 * WSDISPLAYIO_MODE_MAPPED, since this keeps us from doing things like
1013 * screen blanking we only do it if needed
1014 */
1015 sc->sc_needs_unmap =
1016 (config_found_ia(dev, "drm", aux, radeonfb_drm_print) != 0);
1017 DPRINTF(("needs_unmap: %d\n", sc->sc_needs_unmap));
1018
1019 PRINTREG(RADEON_CRTC_EXT_CNTL);
1020 PRINTREG(RADEON_CRTC_GEN_CNTL);
1021 PRINTREG(RADEON_CRTC2_GEN_CNTL);
1022 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
1023 PRINTREG(RADEON_DAC_CNTL2);
1024 PRINTREG(RADEON_FP_GEN_CNTL);
1025 PRINTREG(RADEON_FP2_GEN_CNTL);
1026
1027 return;
1028
1029 error:
1030 if (sc->sc_biossz)
1031 free(sc->sc_bios, M_DEVBUF);
1032
1033 if (sc->sc_regsz)
1034 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1035
1036 if (sc->sc_memsz)
1037 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1038 }
1039
1040 static void
1041 radeonfb_map(struct radeonfb_softc *sc)
1042 {
1043 if (!sc->sc_mapped) {
1044 if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
1045 &sc->sc_regh) != 0) {
1046 aprint_error_dev(sc->sc_dev,
1047 "unable to map registers!\n");
1048 return;
1049 }
1050 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
1051 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
1052 sc->sc_memsz = 0;
1053 aprint_error_dev(sc->sc_dev,
1054 "Unable to map frame buffer\n");
1055 return;
1056 }
1057 sc->sc_mapped = TRUE;
1058 }
1059 }
1060
1061 static void
1062 radeonfb_unmap(struct radeonfb_softc *sc)
1063 {
1064 if (!sc->sc_needs_unmap)
1065 return;
1066
1067 if (sc->sc_mapped) {
1068 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1069 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1070 sc->sc_mapped = FALSE;
1071 }
1072 }
1073
1074 static int
1075 radeonfb_drm_print(void *aux, const char *pnp)
1076 {
1077 if (pnp)
1078 aprint_normal("drm at %s", pnp);
1079 return (UNCONF);
1080 }
1081
1082 int
1083 radeonfb_ioctl(void *v, void *vs,
1084 unsigned long cmd, void *d, int flag, struct lwp *l)
1085 {
1086 struct vcons_data *vd;
1087 struct radeonfb_display *dp;
1088 struct radeonfb_softc *sc;
1089 struct wsdisplay_param *param;
1090 struct vcons_screen *ms;
1091
1092 vd = (struct vcons_data *)v;
1093 ms = vd->active;
1094 dp = (struct radeonfb_display *)vd->cookie;
1095 sc = dp->rd_softc;
1096
1097 /* can't do these without registers being mapped */
1098 if (!sc->sc_mapped) {
1099 switch (cmd) {
1100 case WSDISPLAYIO_GVIDEO:
1101 case WSDISPLAYIO_SVIDEO:
1102 case WSDISPLAYIO_GETCMAP:
1103 case WSDISPLAYIO_PUTCMAP:
1104 case WSDISPLAYIO_SCURSOR:
1105 case WSDISPLAYIO_GCURPOS:
1106 case WSDISPLAYIO_SCURPOS:
1107 case WSDISPLAYIO_SETPARAM:
1108 return EINVAL;
1109 }
1110 }
1111
1112 switch (cmd) {
1113 case WSDISPLAYIO_GTYPE:
1114 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
1115 return 0;
1116
1117 case WSDISPLAYIO_GINFO:
1118 if (vd->active != NULL) {
1119 struct wsdisplay_fbinfo *fb;
1120 fb = (struct wsdisplay_fbinfo *)d;
1121 fb->width = dp->rd_virtx;
1122 fb->height = dp->rd_virty;
1123 fb->depth = dp->rd_bpp;
1124 fb->cmsize = 256;
1125 return 0;
1126 } else
1127 return ENODEV;
1128 case WSDISPLAYIO_GVIDEO:
1129 if (radeonfb_isblank(dp))
1130 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
1131 else
1132 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
1133 return 0;
1134
1135 case WSDISPLAYIO_SVIDEO:
1136 radeonfb_blank(dp,
1137 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1138 radeonfb_switch_backlight(dp,
1139 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_ON));
1140 return 0;
1141
1142 case WSDISPLAYIO_GETCMAP:
1143 if (dp->rd_bpp == 8)
1144 return radeonfb_getcmap(dp,
1145 (struct wsdisplay_cmap *)d);
1146 return EINVAL;
1147
1148 case WSDISPLAYIO_PUTCMAP:
1149 if (dp->rd_bpp == 8)
1150 return radeonfb_putcmap(dp,
1151 (struct wsdisplay_cmap *)d);
1152 return EINVAL;
1153
1154 case WSDISPLAYIO_LINEBYTES:
1155 *(unsigned *)d = dp->rd_stride;
1156 return 0;
1157
1158 case WSDISPLAYIO_SMODE:
1159 if (*(int *)d != dp->rd_wsmode) {
1160 dp->rd_wsmode = *(int *)d;
1161 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) ||
1162 (dp->rd_wsmode == WSDISPLAYIO_MODE_DUMBFB))
1163 radeonfb_map(sc);
1164
1165 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1166 (dp->rd_vd.active)) {
1167 radeonfb_engine_init(dp);
1168 glyphcache_wipe(&dp->rd_gc);
1169 radeonfb_init_palette(dp);
1170 radeonfb_modeswitch(dp);
1171 radeonfb_rectfill(dp, 0, 0, dp->rd_virtx,
1172 dp->rd_virty, dp->rd_bg);
1173 vcons_redraw_screen(dp->rd_vd.active);
1174 }
1175 if (dp->rd_wsmode == WSDISPLAYIO_MODE_MAPPED)
1176 radeonfb_unmap(sc);
1177 }
1178 return 0;
1179
1180 case WSDISPLAYIO_GCURMAX:
1181 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1182 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1183 return 0;
1184
1185 case WSDISPLAYIO_SCURSOR:
1186 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1187
1188 case WSDISPLAYIO_GCURSOR:
1189 return EPASSTHROUGH;
1190
1191 case WSDISPLAYIO_GCURPOS:
1192 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1193 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1194 return 0;
1195
1196 case WSDISPLAYIO_SCURPOS:
1197 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1198
1199 case WSDISPLAYIO_SSPLASH:
1200 #if defined(SPLASHSCREEN)
1201 if (*(int *)d == 1) {
1202 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1203 splash_render(&dp->rd_splash,
1204 SPLASH_F_CENTER|SPLASH_F_FILL);
1205 } else
1206 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1207 return 0;
1208 #else
1209 return ENODEV;
1210 #endif
1211 case WSDISPLAYIO_GETPARAM:
1212 param = (struct wsdisplay_param *)d;
1213 switch (param->param) {
1214 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1215 param->min = 0;
1216 param->max = 255;
1217 param->curval = dp->rd_bl_level;
1218 return 0;
1219 case WSDISPLAYIO_PARAM_BACKLIGHT:
1220 param->min = 0;
1221 param->max = RADEONFB_BACKLIGHT_MAX;
1222 param->curval = dp->rd_bl_on;
1223 return 0;
1224 }
1225 return EPASSTHROUGH;
1226
1227 case WSDISPLAYIO_SETPARAM:
1228 param = (struct wsdisplay_param *)d;
1229 switch (param->param) {
1230 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1231 radeonfb_set_backlight(dp, param->curval);
1232 return 0;
1233 case WSDISPLAYIO_PARAM_BACKLIGHT:
1234 radeonfb_switch_backlight(dp, param->curval);
1235 return 0;
1236 }
1237 return EPASSTHROUGH;
1238
1239 /* PCI config read/write passthrough. */
1240 case PCI_IOC_CFGREAD:
1241 case PCI_IOC_CFGWRITE:
1242 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1243
1244 case WSDISPLAYIO_GET_BUSID:
1245 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1246 sc->sc_pt, d);
1247
1248 case WSDISPLAYIO_GET_EDID: {
1249 struct wsdisplayio_edid_info *ei = d;
1250 return wsdisplayio_get_edid(sc->sc_dev, ei);
1251 }
1252
1253 case WSDISPLAYIO_GET_FBINFO: {
1254 struct wsdisplayio_fbinfo *fbi = d;
1255 return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi);
1256 }
1257
1258 default:
1259 return EPASSTHROUGH;
1260 }
1261 }
1262
1263 paddr_t
1264 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1265 {
1266 struct vcons_data *vd;
1267 struct radeonfb_display *dp;
1268 struct radeonfb_softc *sc;
1269 paddr_t pa;
1270
1271 vd = (struct vcons_data *)v;
1272 dp = (struct radeonfb_display *)vd->cookie;
1273 sc = dp->rd_softc;
1274
1275 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1276 pa = bus_space_mmap(sc->sc_memt,
1277 sc->sc_memaddr + dp->rd_offset + offset, 0,
1278 prot, BUS_SPACE_MAP_LINEAR);
1279 return pa;
1280 }
1281
1282 /*
1283 * restrict all other mappings to processes with superuser privileges
1284 * or the kernel itself
1285 */
1286 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
1287 NULL, NULL, NULL, NULL) != 0) {
1288 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1289 return -1;
1290 }
1291
1292 if ((offset >= sc->sc_regaddr) &&
1293 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1294 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1295 BUS_SPACE_MAP_LINEAR);
1296 }
1297
1298 if ((offset >= sc->sc_memaddr) &&
1299 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1300 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1301 BUS_SPACE_MAP_LINEAR);
1302 }
1303
1304 if ((offset >= sc->sc_romaddr) &&
1305 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1306 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1307 BUS_SPACE_MAP_LINEAR);
1308 }
1309
1310 #ifdef PCI_MAGIC_IO_RANGE
1311 /* allow mapping of IO space */
1312 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1313 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1314 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1315 0, prot, 0);
1316 return pa;
1317 }
1318 #endif /* PCI_MAGIC_IO_RANGE */
1319
1320 return -1;
1321 }
1322
1323 static void
1324 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1325 {
1326 bus_space_tag_t romt;
1327 bus_space_handle_t romh, biosh;
1328 bus_size_t romsz;
1329 bus_addr_t ptr;
1330
1331 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1332 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1333 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1334 return;
1335 }
1336
1337 pci_find_rom(pa, romt, romh, romsz, PCI_ROM_CODE_TYPE_X86, &biosh,
1338 &sc->sc_biossz);
1339 if (sc->sc_biossz == 0) {
1340 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1341 return;
1342 }
1343
1344 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1345 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1346
1347 /* unmap the PCI expansion rom */
1348 bus_space_unmap(romt, romh, romsz);
1349
1350 /* turn off rom decoder now */
1351 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1352 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1353 ~PCI_MAPREG_ROM_ENABLE);
1354
1355 ptr = GETBIOS16(sc, 0x48);
1356 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1357 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1358 sc->sc_flags |= RFB_ATOM;
1359 }
1360
1361 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1362 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1363 }
1364
1365
1366 uint32_t
1367 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1368 {
1369
1370 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1371 }
1372
1373 void
1374 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1375 {
1376
1377 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1378 }
1379
1380 void
1381 radeonfb_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1382 {
1383
1384 bus_space_write_stream_4(sc->sc_regt, sc->sc_regh, reg, val);
1385 }
1386
1387 void
1388 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1389 uint32_t andmask, uint32_t ormask)
1390 {
1391 int s;
1392 uint32_t val;
1393
1394 s = splhigh();
1395 val = radeonfb_get32(sc, reg);
1396 val = (val & andmask) | ormask;
1397 radeonfb_put32(sc, reg, val);
1398 splx(s);
1399 }
1400
1401 uint32_t
1402 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1403 {
1404 int s;
1405 uint32_t val;
1406
1407 s = splhigh();
1408 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1409 val = radeonfb_get32(sc, RADEON_MM_DATA);
1410 splx(s);
1411
1412 return (val);
1413 }
1414
1415 void
1416 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1417 {
1418 int s;
1419
1420 s = splhigh();
1421 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1422 radeonfb_put32(sc, RADEON_MM_DATA, val);
1423 splx(s);
1424 }
1425
1426 void
1427 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1428 uint32_t andmask, uint32_t ormask)
1429 {
1430 int s;
1431 uint32_t val;
1432
1433 s = splhigh();
1434 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1435 val = radeonfb_get32(sc, RADEON_MM_DATA);
1436 val = (val & andmask) | ormask;
1437 radeonfb_put32(sc, RADEON_MM_DATA, val);
1438 splx(s);
1439 }
1440
1441 uint32_t
1442 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1443 {
1444 int s;
1445 uint32_t val;
1446
1447 s = splhigh();
1448 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f));
1449 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1450 if (HAS_R300CG(sc))
1451 radeonfb_r300cg_workaround(sc);
1452 splx(s);
1453
1454 return (val);
1455 }
1456
1457 void
1458 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1459 {
1460 int s;
1461
1462 s = splhigh();
1463 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1464 RADEON_PLL_WR_EN);
1465 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1466 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1467 splx(s);
1468 }
1469
1470 void
1471 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1472 uint32_t andmask, uint32_t ormask)
1473 {
1474 int s;
1475 uint32_t val;
1476
1477 s = splhigh();
1478 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1479 RADEON_PLL_WR_EN);
1480 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1481 val = (val & andmask) | ormask;
1482 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1483 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1484 splx(s);
1485 }
1486
1487 int
1488 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1489 {
1490 uint32_t saved;
1491
1492 saved = GET32(sc, reg);
1493 PUT32(sc, reg, v);
1494 if (GET32(sc, reg) != v) {
1495 return -1;
1496 }
1497 PUT32(sc, reg, saved);
1498 return 0;
1499 }
1500
1501 uintmax_t
1502 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1503 uintmax_t defval)
1504 {
1505 prop_number_t pn;
1506 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1507 if (pn == NULL) {
1508 return defval;
1509 }
1510 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1511 return (prop_number_integer_value(pn));
1512 }
1513
1514 int
1515 radeonfb_getclocks(struct radeonfb_softc *sc)
1516 {
1517 bus_addr_t ptr;
1518 int refclk = 0;
1519 int refdiv = 0;
1520 int minpll = 0;
1521 int maxpll = 0;
1522
1523 /* load initial property values if port/board provides them */
1524 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1525 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1526 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1527 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1528
1529 PRINTPLL(RADEON_PPLL_REF_DIV);
1530 PRINTPLL(RADEON_PPLL_DIV_0);
1531 PRINTPLL(RADEON_PPLL_DIV_1);
1532 PRINTPLL(RADEON_PPLL_DIV_2);
1533 PRINTPLL(RADEON_PPLL_DIV_3);
1534 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
1535 PRINTPLL(RADEON_P2PLL_REF_DIV);
1536 PRINTPLL(RADEON_P2PLL_DIV_0);
1537
1538 if (refclk && refdiv && minpll && maxpll)
1539 goto dontprobe;
1540
1541 if (!sc->sc_biossz) {
1542 /* no BIOS */
1543 aprint_verbose("%s: No video BIOS, using default clocks\n",
1544 XNAME(sc));
1545 if (IS_IGP(sc))
1546 refclk = refclk ? refclk : 1432;
1547 else
1548 refclk = refclk ? refclk : 2700;
1549 refdiv = refdiv ? refdiv : 12;
1550 minpll = minpll ? minpll : 12500;
1551 /* XXX
1552 * Need to check if the firmware or something programmed a
1553 * higher value than this, and if so, bump it.
1554 * The RV280 in my iBook is unhappy if the PLL input is less
1555 * than 360MHz
1556 */
1557 maxpll = maxpll ? maxpll : 40000/*35000*/;
1558 } else if (IS_ATOM(sc)) {
1559 /* ATOM BIOS */
1560 ptr = GETBIOS16(sc, 0x48);
1561 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1562 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1563 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1564 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1565 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1566 /*
1567 * ATOM BIOS doesn't supply a reference divider, so we
1568 * have to probe for it.
1569 */
1570 if (refdiv < 2)
1571 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1572 RADEON_PPLL_REF_DIV_MASK;
1573 /*
1574 * if probe is zero, just assume one that should work
1575 * for most parts
1576 */
1577 if (refdiv < 2)
1578 refdiv = 12;
1579
1580 } else {
1581 uint32_t tmp = GETPLL(sc, RADEON_PPLL_REF_DIV);
1582 /* Legacy BIOS */
1583 ptr = GETBIOS16(sc, 0x48);
1584 ptr = GETBIOS16(sc, ptr + 0x30);
1585 if (IS_R300(sc)) {
1586 refdiv = refdiv ? refdiv :
1587 (tmp & R300_PPLL_REF_DIV_ACC_MASK) >>
1588 R300_PPLL_REF_DIV_ACC_SHIFT;
1589 } else {
1590 refdiv = refdiv ? refdiv :
1591 tmp & RADEON_PPLL_REF_DIV_MASK;
1592 }
1593 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1594 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1595 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1596 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1597 }
1598
1599
1600 dontprobe:
1601 sc->sc_refclk = refclk * 10;
1602 sc->sc_refdiv = refdiv;
1603 sc->sc_minpll = minpll * 10;
1604 sc->sc_maxpll = maxpll * 10;
1605 return 0;
1606 }
1607
1608 int
1609 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1610 uint32_t *postdivbit, uint32_t *feedbackdiv)
1611 {
1612 int i;
1613 uint32_t outfreq;
1614 int div;
1615
1616 DPRINTF(("dot clock: %u\n", dotclock));
1617 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1618 outfreq = div * dotclock;
1619 if ((outfreq >= sc->sc_minpll) &&
1620 (outfreq <= sc->sc_maxpll)) {
1621 DPRINTF(("outfreq: %u\n", outfreq));
1622 *postdivbit =
1623 ((uint32_t)radeonfb_dividers[i].mask << 16);
1624 DPRINTF(("post divider: %d (mask %x)\n", div,
1625 *postdivbit));
1626 break;
1627 }
1628 }
1629
1630 if (div == 0)
1631 return 1;
1632
1633 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1634 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1635 return 0;
1636 }
1637
1638 #if 0
1639 #ifdef RADEONFB_DEBUG
1640 static void
1641 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1642 {
1643 char asc[17];
1644 unsigned ptr = (unsigned)buffer;
1645 char *start = (char *)(ptr & ~0xf);
1646 char *end = (char *)(ptr + size);
1647
1648 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1649
1650 if (pfx == NULL) {
1651 pfx = "";
1652 }
1653
1654 while (start < end) {
1655 unsigned offset = (unsigned)start & 0xf;
1656 if (offset == 0) {
1657 printf("%s%x: ", pfx, (unsigned)start);
1658 }
1659 if (((unsigned)start < ptr) ||
1660 ((unsigned)start >= (ptr + size))) {
1661 printf(" ");
1662 asc[offset] = ' ';
1663 } else {
1664 printf("%02x", *(unsigned char *)start);
1665 if ((*start >= ' ') && (*start <= '~')) {
1666 asc[offset] = *start;
1667 } else {
1668 asc[offset] = '.';
1669 }
1670 }
1671 asc[offset + 1] = 0;
1672 if (offset % 2) {
1673 printf(" ");
1674 }
1675 if (offset == 15) {
1676 printf(" %s\n", asc);
1677 }
1678 start++;
1679 }
1680 }
1681 #endif
1682 #endif
1683
1684 int
1685 radeonfb_getconnectors(struct radeonfb_softc *sc)
1686 {
1687 int i;
1688 int found = 0;
1689
1690 for (i = 0; i < 2; i++) {
1691 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1692 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1693 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1694 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1695 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1696 }
1697
1698 /*
1699 * This logic is borrowed from Xorg's radeon driver.
1700 */
1701 if (!sc->sc_biossz)
1702 goto nobios;
1703
1704 if (IS_ATOM(sc)) {
1705 /* not done yet */
1706 } else {
1707 uint16_t ptr;
1708 int port = 0;
1709
1710 ptr = GETBIOS16(sc, 0x48);
1711 ptr = GETBIOS16(sc, ptr + 0x50);
1712 for (i = 1; i < 4; i++) {
1713 uint16_t entry;
1714 uint8_t conn, ddc, dac, tmds;
1715
1716 /*
1717 * Parse the connector table. From reading the code,
1718 * it appears to made up of 16-bit entries for each
1719 * connector. The 16-bits are defined as:
1720 *
1721 * bits 12-15 - connector type (0 == end of table)
1722 * bits 8-11 - DDC type
1723 * bits 5-7 - ???
1724 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1725 * bits 1-3 - ???
1726 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1727 */
1728 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1729 break;
1730 entry = GETBIOS16(sc, ptr + i * 2);
1731
1732 conn = (entry >> 12) & 0xf;
1733 ddc = (entry >> 8) & 0xf;
1734 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1735 RADEON_DAC_PRIMARY;
1736 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1737 RADEON_TMDS_INT;
1738
1739 if (conn == RADEON_CONN_NONE)
1740 continue; /* no connector */
1741
1742 if ((found > 0) &&
1743 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1744 /* duplicate entry for same connector */
1745 continue;
1746 }
1747
1748 /* internal DDC_DVI port gets priority */
1749 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1750 port = 0;
1751 else
1752 port = 1;
1753
1754 sc->sc_ports[port].rp_ddc_type =
1755 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1756 sc->sc_ports[port].rp_dac_type = dac;
1757 sc->sc_ports[port].rp_conn_type =
1758 min(conn, RADEON_CONN_UNSUPPORTED) ;
1759
1760 sc->sc_ports[port].rp_tmds_type = tmds;
1761
1762 if ((conn != RADEON_CONN_DVI_I) &&
1763 (conn != RADEON_CONN_DVI_D) &&
1764 (tmds == RADEON_TMDS_INT))
1765 sc->sc_ports[port].rp_tmds_type =
1766 RADEON_TMDS_UNKNOWN;
1767 sc->sc_ports[port].rp_number = i - 1;
1768
1769 found += (port + 1);
1770 }
1771 }
1772
1773 nobios:
1774 if (!found) {
1775 bool dvi_ext = FALSE, dvi_int = FALSE;
1776 DPRINTF(("No connector info in BIOS!\n"));
1777 prop_dictionary_get_bool(device_properties(sc->sc_dev),
1778 "dvi-internal", &dvi_int);
1779 prop_dictionary_get_bool(device_properties(sc->sc_dev),
1780 "dvi-external", &dvi_ext);
1781 if (dvi_ext) {
1782 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1783 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1784 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1785 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_I;
1786 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_EXT;
1787 sc->sc_ports[0].rp_number = 1;
1788 } else if (dvi_int) {
1789 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1790 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1791 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1792 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_I;
1793 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1794 sc->sc_ports[0].rp_number = 1;
1795 } else if IS_MOBILITY(sc) {
1796 /* default, port 0 = internal TMDS, port 1 = CRT */
1797 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1798 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1799 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1800 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1801 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1802 sc->sc_ports[0].rp_number = 0;
1803
1804 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1805 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1806 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1807 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1808 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1809 sc->sc_ports[1].rp_number = 1;
1810 } else {
1811 /* default, port 0 = DVI, port 1 = CRT */
1812 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1813 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1814 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1815 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1816 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1817 sc->sc_ports[0].rp_number = 1;
1818
1819 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1820 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1821 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1822 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1823 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1824 sc->sc_ports[1].rp_number = 0;
1825 }
1826 }
1827
1828 /*
1829 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1830 * these chips should use TVDAC for the VGA port.
1831 */
1832 if (HAS_SDAC(sc)) {
1833 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1834 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1835 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1836 } else {
1837 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1838 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1839 }
1840 } else if (!HAS_CRTC2(sc)) {
1841 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1842 }
1843
1844 for (i = 0; i < 2; i++) {
1845 char edid[128];
1846 uint8_t ddc;
1847 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1848 prop_data_t edid_data;
1849
1850 DPRINTF(("Port #%d:\n", i));
1851 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1852 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1853 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1854 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1855 DPRINTF((" crtc = %d\n", sc->sc_ports[i].rp_number));
1856
1857 sc->sc_ports[i].rp_edid_valid = 0;
1858 /* first look for static EDID data */
1859 if ((edid_data = prop_dictionary_get(device_properties(
1860 sc->sc_dev), "EDID")) != NULL) {
1861
1862 aprint_debug_dev(sc->sc_dev, "using static EDID\n");
1863 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1864 if (edid_parse(edid, eip) == 0) {
1865
1866 sc->sc_ports[i].rp_edid_valid = 1;
1867 }
1868 }
1869 /* if we didn't find any we'll try to talk to the monitor */
1870 if (sc->sc_ports[i].rp_edid_valid != 1) {
1871
1872 ddc = sc->sc_ports[i].rp_ddc_type;
1873 if (ddc != RADEON_DDC_NONE) {
1874 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1875 == 0) && (edid_parse(edid, eip) == 0)) {
1876
1877 sc->sc_ports[i].rp_edid_valid = 1;
1878 #ifdef RADEONFB_DEBUG
1879 edid_print(eip);
1880 #endif
1881 }
1882 }
1883 }
1884 }
1885
1886 return found;
1887 }
1888
1889 int
1890 radeonfb_gettmds(struct radeonfb_softc *sc)
1891 {
1892 int i;
1893
1894 if (!sc->sc_biossz) {
1895 goto nobios;
1896 }
1897
1898 if (IS_ATOM(sc)) {
1899 /* XXX: not done yet */
1900 } else {
1901 uint16_t ptr;
1902 int n;
1903
1904 ptr = GETBIOS16(sc, 0x48);
1905 ptr = GETBIOS16(sc, ptr + 0x34);
1906 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1907 if (GETBIOS8(sc, ptr) == 3) {
1908 /* revision three table */
1909 n = GETBIOS8(sc, ptr + 5) + 1;
1910 n = min(n, 4);
1911
1912 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1913 for (i = 0; i < n; i++) {
1914 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1915 ptr + i * 10 + 8);
1916 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1917 ptr + i * 10 + 0x10);
1918 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1919 sc->sc_tmds_pll[i].rtp_freq,
1920 sc->sc_tmds_pll[i].rtp_pll));
1921 }
1922 return 0;
1923 }
1924 }
1925
1926 nobios:
1927 DPRINTF(("no suitable DFP table present\n"));
1928 for (i = 0;
1929 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1930 i++) {
1931 int j;
1932
1933 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1934 continue;
1935
1936 for (j = 0; j < 4; j++) {
1937 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1938 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1939 sc->sc_tmds_pll[j].rtp_freq,
1940 sc->sc_tmds_pll[j].rtp_pll));
1941 }
1942 return 0;
1943 }
1944
1945 return -1;
1946 }
1947
1948 const struct videomode *
1949 radeonfb_modelookup(const char *name)
1950 {
1951 int i;
1952
1953 for (i = 0; i < videomode_count; i++)
1954 if (!strcmp(name, videomode_list[i].name))
1955 return &videomode_list[i];
1956
1957 return NULL;
1958 }
1959
1960 void
1961 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1962 {
1963 if (crtc) {
1964 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1965 RADEON_P2PLL_ATOMIC_UPDATE_R);
1966 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1967 } else {
1968 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1969 RADEON_PPLL_ATOMIC_UPDATE_R);
1970 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1971 }
1972 }
1973
1974 void
1975 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1976 {
1977 int i;
1978
1979 for (i = 10000; i; i--) {
1980 if (crtc) {
1981 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1982 RADEON_P2PLL_ATOMIC_UPDATE_R)
1983 break;
1984 } else {
1985 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1986 RADEON_PPLL_ATOMIC_UPDATE_R)
1987 break;
1988 }
1989 }
1990 }
1991
1992 void
1993 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1994 {
1995 uint32_t pbit = 0;
1996 uint32_t feed = 0;
1997 uint32_t data, refdiv, div0;
1998
1999 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
2000
2001 if (crtc == 0) {
2002
2003 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV);
2004 if (IS_R300(sc)) {
2005 refdiv = (refdiv & ~R300_PPLL_REF_DIV_ACC_MASK) |
2006 (sc->sc_refdiv << R300_PPLL_REF_DIV_ACC_SHIFT);
2007 } else {
2008 refdiv = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) |
2009 sc->sc_refdiv;
2010 }
2011 div0 = GETPLL(sc, RADEON_PPLL_DIV_0);
2012 div0 &= ~(RADEON_PPLL_FB3_DIV_MASK |
2013 RADEON_PPLL_POST3_DIV_MASK);
2014 div0 |= pbit;
2015 div0 |= (feed & RADEON_PPLL_FB3_DIV_MASK);
2016
2017 if ((refdiv == GETPLL(sc, RADEON_PPLL_REF_DIV)) &&
2018 (div0 == GETPLL(sc, RADEON_PPLL_DIV_0))) {
2019 /*
2020 * nothing to do here, the PLL is already where we
2021 * want it
2022 */
2023 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
2024 ~RADEON_PLL_DIV_SEL);
2025 aprint_debug_dev(sc->sc_dev, "no need to touch the PLL\n");
2026 return;
2027 }
2028
2029 /* alright, we do need to reprogram stuff */
2030 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
2031 RADEON_VCLK_SRC_SEL_CPUCLK,
2032 ~RADEON_VCLK_SRC_SEL_MASK);
2033
2034 /* put vclk into reset, use atomic updates */
2035 SETPLL(sc, RADEON_PPLL_CNTL,
2036 RADEON_PPLL_REFCLK_SEL |
2037 RADEON_PPLL_FBCLK_SEL |
2038 RADEON_PPLL_RESET |
2039 RADEON_PPLL_ATOMIC_UPDATE_EN |
2040 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2041
2042 /* select clock 0 */
2043 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
2044 ~RADEON_PLL_DIV_SEL);
2045
2046 PUTPLL(sc, RADEON_PPLL_REF_DIV, refdiv);
2047
2048 /* xf86-video-radeon does this, not sure why */
2049 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
2050 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
2051
2052 /* use the atomic update */
2053 radeonfb_pllwriteupdate(sc, crtc);
2054
2055 /* and wait for it to complete */
2056 radeonfb_pllwaitatomicread(sc, crtc);
2057
2058 /* program HTOTAL (why?) */
2059 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
2060
2061 /* drop reset */
2062 CLRPLL(sc, RADEON_PPLL_CNTL,
2063 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
2064 RADEON_PPLL_ATOMIC_UPDATE_EN |
2065 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2066
2067 PRINTPLL(RADEON_PPLL_CNTL);
2068 PRINTPLL(RADEON_PPLL_REF_DIV);
2069 PRINTPLL(RADEON_PPLL_DIV_3);
2070
2071 /* give clock time to lock */
2072 delay(50000);
2073
2074 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
2075 RADEON_VCLK_SRC_SEL_PPLLCLK,
2076 ~RADEON_VCLK_SRC_SEL_MASK);
2077
2078 } else {
2079
2080 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2081 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
2082 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2083
2084 /* put vclk into reset, use atomic updates */
2085 SETPLL(sc, RADEON_P2PLL_CNTL,
2086 RADEON_P2PLL_RESET |
2087 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2088 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2089
2090 /* program reference divider */
2091 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
2092 ~RADEON_P2PLL_REF_DIV_MASK);
2093
2094 /* program feedback and post dividers */
2095 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
2096 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
2097 RADEON_P2PLL_POST0_DIV_MASK);
2098 data |= pbit;
2099 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
2100 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2101 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2102
2103 PRINTPLL(RADEON_P2PLL_REF_DIV);
2104 PRINTPLL(RADEON_P2PLL_DIV_0);
2105
2106 /* use the atomic update */
2107 radeonfb_pllwriteupdate(sc, crtc);
2108
2109 /* and wait for it to complete */
2110 radeonfb_pllwaitatomicread(sc, crtc);
2111
2112 /* program HTOTAL (why?) */
2113 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
2114
2115 /* drop reset */
2116 CLRPLL(sc, RADEON_P2PLL_CNTL,
2117 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
2118 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2119 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2120
2121 /* allow time for clock to lock */
2122 delay(50000);
2123
2124 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2125 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
2126 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2127 }
2128 PRINTREG(RADEON_CRTC_MORE_CNTL);
2129 }
2130
2131 void
2132 radeonfb_modeswitch(struct radeonfb_display *dp)
2133 {
2134 struct radeonfb_softc *sc = dp->rd_softc;
2135 int i;
2136
2137 /* blank the display while we switch modes */
2138 radeonfb_blank(dp, 1);
2139
2140 #if 0
2141 SET32(sc, RADEON_CRTC_EXT_CNTL,
2142 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2143 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2144 #endif
2145
2146 /* these registers might get in the way... */
2147 PUT32(sc, RADEON_OVR_CLR, 0);
2148 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
2149 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
2150 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
2151 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
2152 PUT32(sc, RADEON_VIPH_CONTROL, 0);
2153 PUT32(sc, RADEON_I2C_CNTL_1, 0);
2154 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2155 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
2156 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
2157 PUT32(sc, RADEON_SURFACE_CNTL, 0);
2158
2159 for (i = 0; i < dp->rd_ncrtcs; i++)
2160 radeonfb_setcrtc(dp, i);
2161
2162 /* activate the display */
2163 radeonfb_blank(dp, 0);
2164 }
2165
2166 void
2167 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
2168 {
2169 int crtc;
2170 struct videomode *mode;
2171 struct radeonfb_softc *sc;
2172 struct radeonfb_crtc *cp;
2173 uint32_t v;
2174 uint32_t gencntl;
2175 uint32_t htotaldisp;
2176 uint32_t hsyncstrt;
2177 uint32_t vtotaldisp;
2178 uint32_t vsyncstrt;
2179 uint32_t fphsyncstrt;
2180 uint32_t fpvsyncstrt;
2181 uint32_t fphtotaldisp;
2182 uint32_t fpvtotaldisp;
2183 uint32_t pitch;
2184
2185 sc = dp->rd_softc;
2186 cp = &dp->rd_crtcs[index];
2187 crtc = cp->rc_number;
2188 mode = &cp->rc_videomode;
2189
2190 #if 1
2191 pitch = dp->rd_stride / dp->rd_bpp;
2192 #else
2193 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
2194 (sc->sc_maxbpp * 8));
2195 #endif
2196 switch (crtc) {
2197 case 0:
2198 gencntl = RADEON_CRTC_GEN_CNTL;
2199 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
2200 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
2201 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
2202 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
2203 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
2204 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
2205 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
2206 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
2207 break;
2208 case 1:
2209 gencntl = RADEON_CRTC2_GEN_CNTL;
2210 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
2211 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
2212 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
2213 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
2214 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
2215 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
2216 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
2217 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
2218 break;
2219 default:
2220 panic("Bad CRTC!");
2221 break;
2222 }
2223
2224 /*
2225 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
2226 */
2227 /* only bother with 32bpp and 8bpp */
2228 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
2229
2230 if (crtc == 1) {
2231 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2232 } else {
2233 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2234 }
2235
2236 if (mode->flags & VID_DBLSCAN)
2237 v |= RADEON_CRTC2_DBL_SCAN_EN;
2238
2239 if (mode->flags & VID_INTERLACE)
2240 v |= RADEON_CRTC2_INTERLACE_EN;
2241
2242 if (mode->flags & VID_CSYNC) {
2243 v |= RADEON_CRTC2_CSYNC_EN;
2244 if (crtc == 1)
2245 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2246 }
2247
2248 PUT32(sc, gencntl, v);
2249 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2250
2251 /*
2252 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2253 */
2254 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2255 if (crtc == 0) {
2256 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2257 RADEON_CRTC_DISPLAY_DIS);
2258 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2259 if (mode->flags & VID_CSYNC)
2260 v |= RADEON_CRTC_VSYNC_TRISTAT;
2261 }
2262 /* unconditional turn on CRT, in case first CRTC is DFP */
2263 v |= RADEON_CRTC_CRT_ON;
2264 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2265 PRINTREG(RADEON_CRTC_EXT_CNTL);
2266
2267 /*
2268 * H_TOTAL_DISP
2269 */
2270 v = ((mode->hdisplay / 8) - 1) << 16;
2271 v |= (mode->htotal / 8) - 1;
2272 PUT32(sc, htotaldisp, v);
2273 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2274 PUT32(sc, fphtotaldisp, v);
2275 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2276
2277 /*
2278 * H_SYNC_STRT_WID
2279 */
2280 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2281 v |= (mode->hsync_start - 8); /* match xf86-video-radeon */
2282 if (mode->flags & VID_NHSYNC)
2283 v |= RADEON_CRTC_H_SYNC_POL;
2284 PUT32(sc, hsyncstrt, v);
2285 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2286 PUT32(sc, fphsyncstrt, v);
2287 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2288
2289 /*
2290 * V_TOTAL_DISP
2291 */
2292 v = ((mode->vdisplay - 1) << 16);
2293 v |= (mode->vtotal - 1);
2294 PUT32(sc, vtotaldisp, v);
2295 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2296 PUT32(sc, fpvtotaldisp, v);
2297 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2298
2299 /*
2300 * V_SYNC_STRT_WID
2301 */
2302 v = ((mode->vsync_end - mode->vsync_start) << 16);
2303 v |= (mode->vsync_start - 1);
2304 if (mode->flags & VID_NVSYNC)
2305 v |= RADEON_CRTC_V_SYNC_POL;
2306 PUT32(sc, vsyncstrt, v);
2307 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2308 PUT32(sc, fpvsyncstrt, v);
2309 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2310
2311 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2312
2313 switch (crtc) {
2314 case 0:
2315 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2316 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2317 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2318 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2319
2320 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2321 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2322 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2323 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2324 PRINTREG(RADEON_CRTC_EXT_CNTL);
2325 PRINTREG(RADEON_CRTC_GEN_CNTL);
2326 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2327 break;
2328
2329 case 1:
2330 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2331 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2332 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2333 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2334 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2335 RADEON_CRTC2_VSYNC_DIS |
2336 RADEON_CRTC2_HSYNC_DIS |
2337 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2338 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2339 break;
2340 }
2341 }
2342
2343 int
2344 radeonfb_isblank(struct radeonfb_display *dp)
2345 {
2346 uint32_t reg, mask;
2347
2348 if(!dp->rd_softc->sc_mapped)
2349 return 1;
2350
2351 if (dp->rd_crtcs[0].rc_number) {
2352 reg = RADEON_CRTC2_GEN_CNTL;
2353 mask = RADEON_CRTC2_DISP_DIS;
2354 } else {
2355 reg = RADEON_CRTC_EXT_CNTL;
2356 mask = RADEON_CRTC_DISPLAY_DIS;
2357 }
2358 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2359 }
2360
2361 void
2362 radeonfb_blank(struct radeonfb_display *dp, int blank)
2363 {
2364 struct radeonfb_softc *sc = dp->rd_softc;
2365 uint32_t reg, mask;
2366 uint32_t fpreg, fpval;
2367 int i;
2368
2369 if (!sc->sc_mapped)
2370 return;
2371
2372 for (i = 0; i < dp->rd_ncrtcs; i++) {
2373
2374 if (dp->rd_crtcs[i].rc_number) {
2375 reg = RADEON_CRTC2_GEN_CNTL;
2376 mask = RADEON_CRTC2_DISP_DIS;
2377 fpreg = RADEON_FP2_GEN_CNTL;
2378 fpval = RADEON_FP2_ON;
2379 } else {
2380 reg = RADEON_CRTC_EXT_CNTL;
2381 mask = RADEON_CRTC_DISPLAY_DIS;
2382 fpreg = RADEON_FP_GEN_CNTL;
2383 fpval = RADEON_FP_FPON;
2384 }
2385
2386 if (blank) {
2387 SET32(sc, reg, mask);
2388 CLR32(sc, fpreg, fpval);
2389 } else {
2390 CLR32(sc, reg, mask);
2391 SET32(sc, fpreg, fpval);
2392 }
2393 }
2394 PRINTREG(RADEON_FP_GEN_CNTL);
2395 PRINTREG(RADEON_FP2_GEN_CNTL);
2396 }
2397
2398 void
2399 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2400 long *defattr)
2401 {
2402 struct radeonfb_display *dp = cookie;
2403 struct rasops_info *ri = &scr->scr_ri;
2404
2405 /* initialize font subsystem */
2406 wsfont_init();
2407
2408 scr->scr_flags |= VCONS_LOADFONT;
2409
2410 DPRINTF(("init screen called, existing %d\n", existing));
2411
2412 ri->ri_depth = dp->rd_bpp;
2413 ri->ri_width = dp->rd_virtx;
2414 ri->ri_height = dp->rd_virty;
2415 ri->ri_stride = dp->rd_stride;
2416 ri->ri_flg = RI_CENTER;
2417 switch (ri->ri_depth) {
2418 case 8:
2419 ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB | RI_PREFER_ALPHA;
2420 break;
2421 case 32:
2422 ri->ri_flg |= RI_ENABLE_ALPHA | RI_PREFER_ALPHA;
2423 /* we run radeons in RGB even on SPARC hardware */
2424 ri->ri_rnum = 8;
2425 ri->ri_gnum = 8;
2426 ri->ri_bnum = 8;
2427 ri->ri_rpos = 16;
2428 ri->ri_gpos = 8;
2429 ri->ri_bpos = 0;
2430 break;
2431 }
2432
2433 ri->ri_bits = (void *)dp->rd_fbptr;
2434
2435 #ifdef VCONS_DRAW_INTR
2436 scr->scr_flags |= VCONS_DONT_READ;
2437 #endif
2438
2439 if (existing) {
2440 ri->ri_flg |= RI_CLEAR;
2441
2442 /* start a modeswitch now */
2443 radeonfb_modeswitch(dp);
2444 }
2445
2446 /*
2447 * XXX: font selection should be based on properties, with some
2448 * normal/reasonable default.
2449 */
2450
2451 /* initialize and look for an initial font */
2452 rasops_init(ri, 0, 0);
2453 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT |
2454 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE | WSSCREEN_RESIZE;
2455
2456 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2457 dp->rd_virtx / ri->ri_font->fontwidth);
2458
2459 /* enable acceleration */
2460 dp->rd_putchar = ri->ri_ops.putchar;
2461 ri->ri_ops.copyrows = radeonfb_copyrows;
2462 ri->ri_ops.copycols = radeonfb_copycols;
2463 ri->ri_ops.eraserows = radeonfb_eraserows;
2464 ri->ri_ops.erasecols = radeonfb_erasecols;
2465 /* pick a putchar method based on font and Radeon model */
2466 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2467 /* got a bitmap font */
2468 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
2469 if (IS_R300(dp->rd_softc)) {
2470 /*
2471 * radeonfb_putchar() doesn't work right on some R3xx
2472 * so we use software drawing here, the wrapper just
2473 * makes sure the engine is idle before scribbling
2474 * into vram
2475 */
2476 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2477 } else
2478 #endif
2479 ri->ri_ops.putchar = radeonfb_putchar;
2480 } else {
2481 /* got an alpha font */
2482 switch(ri->ri_depth) {
2483 case 32:
2484 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2485 break;
2486 case 8:
2487 ri->ri_ops.putchar = radeonfb_putchar_aa8;
2488 break;
2489 default:
2490 /* XXX this should never happen */
2491 panic("%s: depth is not 8 or 32 but we got an" \
2492 " alpha font?!", __func__);
2493 }
2494 }
2495 ri->ri_ops.cursor = radeonfb_cursor;
2496 }
2497
2498 void
2499 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2500 {
2501 uint32_t gen, ext, gen2 = 0;
2502 uint32_t agploc, aperbase, apersize, mcfbloc;
2503
2504 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2505 /* XXX */
2506 ext = GET32(sc, RADEON_CRTC_EXT_CNTL) & ~RADEON_CRTC_DISPLAY_DIS;
2507 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2508 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2509 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2510
2511 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2512 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2513 #if 0
2514 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2515 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2516 #endif
2517
2518 if (HAS_CRTC2(sc)) {
2519 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2520 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2521 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2522 }
2523
2524 delay(100000);
2525
2526 mcfbloc = (aperbase >> 16) |
2527 ((aperbase + (apersize - 1)) & 0xffff0000);
2528
2529 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2530 sc->sc_memsz = apersize;
2531
2532 if (((agploc & 0xffff) << 16) !=
2533 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2534 agploc = mcfbloc & 0xffff0000U;
2535 agploc |= ((agploc + 0x10000) >> 16);
2536 }
2537
2538 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2539
2540 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2541 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2542
2543 DPRINTF(("aperbase = %u\n", aperbase));
2544 PRINTREG(RADEON_MC_FB_LOCATION);
2545 PRINTREG(RADEON_MC_AGP_LOCATION);
2546
2547 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2548
2549 if (HAS_CRTC2(sc))
2550 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2551
2552 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2553
2554 #if 0
2555 /* XXX: what is this AGP garbage? :-) */
2556 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2557 #endif
2558
2559 delay(100000);
2560
2561 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2562 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2563
2564 if (HAS_CRTC2(sc))
2565 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2566 }
2567
2568 void
2569 radeonfb_init_misc(struct radeonfb_softc *sc)
2570 {
2571 PUT32(sc, RADEON_BUS_CNTL,
2572 RADEON_BUS_MASTER_DIS |
2573 RADEON_BUS_PREFETCH_MODE_ACT |
2574 RADEON_BUS_PCI_READ_RETRY_EN |
2575 RADEON_BUS_PCI_WRT_RETRY_EN |
2576 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2577 RADEON_BUS_MSTR_RD_MULT |
2578 RADEON_BUS_MSTR_RD_LINE |
2579 RADEON_BUS_RD_DISCARD_EN |
2580 RADEON_BUS_MSTR_DISCONNECT_EN |
2581 RADEON_BUS_READ_BURST);
2582
2583 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2584 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2585 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2586 PUT32(sc, RADEON_RBBM_CNTL,
2587 (3 << RADEON_RB_SETTLE_SHIFT) |
2588 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2589 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2590 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2591
2592 /* XXX: figure out what these mean! */
2593 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2594 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2595 #if 0
2596 PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2597 #endif
2598
2599 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2600 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2601 }
2602
2603 static void
2604 radeonfb_putpal(struct radeonfb_display *dp, int idx, int r, int g, int b)
2605 {
2606 struct radeonfb_softc *sc = dp->rd_softc;
2607 int crtc, cc;
2608 uint32_t vclk;
2609
2610 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2611 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2612
2613 /* initialize the palette for every CRTC used by this display */
2614 for (cc = 0; cc < dp->rd_ncrtcs; cc++) {
2615 crtc = dp->rd_crtcs[cc].rc_number;
2616 //DPRINTF(("%s: doing crtc %d %d\n", __func__, cc, crtc));
2617
2618 if (crtc)
2619 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2620 else
2621 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2622
2623 PUT32(sc, RADEON_PALETTE_INDEX, idx);
2624 PUT32(sc, RADEON_PALETTE_30_DATA,
2625 (r << 22) | (g << 12) | (b << 2));
2626 }
2627
2628 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2629 }
2630
2631 /*
2632 * This loads a linear color map for true color.
2633 */
2634 void
2635 radeonfb_init_palette(struct radeonfb_display *dp)
2636 {
2637 int i;
2638
2639 #define DAC_WIDTH ((1 << 10) - 1)
2640 #define CLUT_WIDTH ((1 << 8) - 1)
2641 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2642
2643 if (dp->rd_bpp == 8) {
2644
2645 /* R3G3B2 palette */
2646 uint32_t tmp, r, g, b;
2647
2648 for (i = 0; i <= CLUT_WIDTH; ++i) {
2649 tmp = i & 0xe0;
2650
2651 /*
2652 * replicate bits so 0xe0 maps to a red value of 0xff
2653 * in order to make white look actually white
2654 */
2655 tmp |= (tmp >> 3) | (tmp >> 6);
2656 r = tmp;
2657
2658 tmp = (i & 0x1c) << 3;
2659 tmp |= (tmp >> 3) | (tmp >> 6);
2660 g = tmp;
2661
2662 tmp = (i & 0x03) << 6;
2663 tmp |= tmp >> 2;
2664 tmp |= tmp >> 4;
2665 b = tmp;
2666
2667 radeonfb_putpal(dp, i, r, g, b);
2668 }
2669 } else {
2670 /* linear ramp */
2671 for (i = 0; i <= CLUT_WIDTH; ++i) {
2672 radeonfb_putpal(dp, i, i, i, i);
2673 }
2674 }
2675 }
2676
2677 static int
2678 radeonfb_putcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
2679 {
2680 u_char *r, *g, *b;
2681 u_int index = cm->index;
2682 u_int count = cm->count;
2683 int i, error;
2684 u_char rbuf[256], gbuf[256], bbuf[256];
2685
2686 #ifdef GENFB_DEBUG
2687 aprint_debug("putcmap: %d %d\n",index, count);
2688 #endif
2689 if (cm->index >= 256 || cm->count > 256 ||
2690 (cm->index + cm->count) > 256)
2691 return EINVAL;
2692 error = copyin(cm->red, &rbuf[index], count);
2693 if (error)
2694 return error;
2695 error = copyin(cm->green, &gbuf[index], count);
2696 if (error)
2697 return error;
2698 error = copyin(cm->blue, &bbuf[index], count);
2699 if (error)
2700 return error;
2701
2702 memcpy(&dp->rd_cmap_red[index], &rbuf[index], count);
2703 memcpy(&dp->rd_cmap_green[index], &gbuf[index], count);
2704 memcpy(&dp->rd_cmap_blue[index], &bbuf[index], count);
2705
2706 r = &dp->rd_cmap_red[index];
2707 g = &dp->rd_cmap_green[index];
2708 b = &dp->rd_cmap_blue[index];
2709
2710 for (i = 0; i < count; i++) {
2711 radeonfb_putpal(dp, index, *r, *g, *b);
2712 index++;
2713 r++, g++, b++;
2714 }
2715 return 0;
2716 }
2717
2718 static int
2719 radeonfb_getcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
2720 {
2721 u_int index = cm->index;
2722 u_int count = cm->count;
2723 int error;
2724
2725 if (index >= 255 || count > 256 || index + count > 256)
2726 return EINVAL;
2727
2728 error = copyout(&dp->rd_cmap_red[index], cm->red, count);
2729 if (error)
2730 return error;
2731 error = copyout(&dp->rd_cmap_green[index], cm->green, count);
2732 if (error)
2733 return error;
2734 error = copyout(&dp->rd_cmap_blue[index], cm->blue, count);
2735 if (error)
2736 return error;
2737
2738 return 0;
2739 }
2740
2741 /*
2742 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2743 */
2744 void
2745 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2746 {
2747 uint32_t tmp, save;
2748
2749 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2750 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2751 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2752 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2753 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2754 }
2755
2756 /*
2757 * Acceleration entry points.
2758 */
2759
2760 /* this one draws characters using bitmap fonts */
2761 static void
2762 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2763 {
2764 struct rasops_info *ri = cookie;
2765 struct vcons_screen *scr = ri->ri_hw;
2766 struct radeonfb_display *dp = scr->scr_cookie;
2767 struct radeonfb_softc *sc = dp->rd_softc;
2768 struct wsdisplay_font *font = PICK_FONT(ri, c);
2769 uint32_t w, h;
2770 int xd, yd, offset, i;
2771 uint32_t bg, fg, gmc;
2772 uint32_t reg;
2773 uint8_t *data8;
2774 uint16_t *data16;
2775 void *data;
2776
2777 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2778 return;
2779
2780 if (!CHAR_IN_FONT(c, font))
2781 return;
2782
2783 w = font->fontwidth;
2784 h = font->fontheight;
2785
2786 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2787 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2788
2789 xd = ri->ri_xorigin + col * w;
2790 yd = ri->ri_yorigin + row * h;
2791
2792 if (c == 0x20) {
2793 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2794 return;
2795 }
2796 data = WSFONT_GLYPH(c, font);
2797
2798 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2799
2800 radeonfb_wait_fifo(sc, 9);
2801
2802 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2803 RADEON_GMC_BRUSH_NONE |
2804 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2805 RADEON_GMC_DST_CLIPPING |
2806 RADEON_ROP3_S |
2807 RADEON_DP_SRC_SOURCE_HOST_DATA |
2808 RADEON_GMC_CLR_CMP_CNTL_DIS |
2809 RADEON_GMC_WR_MSK_DIS |
2810 gmc);
2811
2812 PUT32(sc, RADEON_SC_LEFT, xd);
2813 PUT32(sc, RADEON_SC_RIGHT, xd + w);
2814 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2815 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2816 PUT32(sc, RADEON_DP_CNTL,
2817 RADEON_DST_X_LEFT_TO_RIGHT |
2818 RADEON_DST_Y_TOP_TO_BOTTOM);
2819
2820 PUT32(sc, RADEON_SRC_X_Y, 0);
2821 offset = 32 - (font->stride << 3);
2822 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
2823 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
2824
2825 radeonfb_wait_fifo(sc, h);
2826 switch (font->stride) {
2827 case 1: {
2828 data8 = data;
2829 for (i = 0; i < h; i++) {
2830 reg = *data8;
2831 #if BYTE_ORDER == LITTLE_ENDIAN
2832 reg = reg << 24;
2833 #endif
2834 bus_space_write_stream_4(sc->sc_regt,
2835 sc->sc_regh, RADEON_HOST_DATA0, reg);
2836 data8++;
2837 }
2838 break;
2839 }
2840 case 2: {
2841 data16 = data;
2842 for (i = 0; i < h; i++) {
2843 reg = *data16;
2844 #if BYTE_ORDER == LITTLE_ENDIAN
2845 reg = reg << 16;
2846 #endif
2847 bus_space_write_stream_4(sc->sc_regt,
2848 sc->sc_regh, RADEON_HOST_DATA0, reg);
2849 data16++;
2850 }
2851 break;
2852 }
2853 }
2854 if (attr & 1)
2855 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2856 }
2857
2858 /* ... while this one is for anti-aliased ones */
2859 static void
2860 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
2861 {
2862 struct rasops_info *ri = cookie;
2863 struct vcons_screen *scr = ri->ri_hw;
2864 struct radeonfb_display *dp = scr->scr_cookie;
2865 struct radeonfb_softc *sc = dp->rd_softc;
2866 struct wsdisplay_font *font = PICK_FONT(ri, c);
2867 uint32_t bg, fg, gmc;
2868 uint8_t *data;
2869 int w, h, xd, yd;
2870 int i, r, g, b, aval;
2871 int rf, gf, bf, rb, gb, bb;
2872 uint32_t pixel;
2873 int rv;
2874
2875 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2876 return;
2877
2878 if (!CHAR_IN_FONT(c, font))
2879 return;
2880
2881 w = font->fontwidth;
2882 h = font->fontheight;
2883
2884 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2885 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2886
2887 xd = ri->ri_xorigin + col * w;
2888 yd = ri->ri_yorigin + row * h;
2889
2890 if (c == 0x20) {
2891 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2892 if (attr & 1)
2893 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2894 return;
2895 }
2896 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
2897 if (rv == GC_OK)
2898 return;
2899
2900 data = WSFONT_GLYPH(c, font);
2901
2902 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2903
2904 radeonfb_wait_fifo(sc, 5);
2905
2906 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2907 RADEON_GMC_BRUSH_NONE |
2908 RADEON_GMC_SRC_DATATYPE_COLOR |
2909 RADEON_ROP3_S |
2910 RADEON_DP_SRC_SOURCE_HOST_DATA |
2911 RADEON_GMC_CLR_CMP_CNTL_DIS |
2912 RADEON_GMC_WR_MSK_DIS |
2913 gmc);
2914
2915 PUT32(sc, RADEON_DP_CNTL,
2916 RADEON_DST_X_LEFT_TO_RIGHT |
2917 RADEON_DST_Y_TOP_TO_BOTTOM);
2918
2919 PUT32(sc, RADEON_SRC_X_Y, 0);
2920 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2921 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
2922
2923 rf = (fg >> 16) & 0xff;
2924 rb = (bg >> 16) & 0xff;
2925 gf = (fg >> 8) & 0xff;
2926 gb = (bg >> 8) & 0xff;
2927 bf = fg & 0xff;
2928 bb = bg & 0xff;
2929
2930 /*
2931 * I doubt we can upload data faster than even the slowest Radeon
2932 * could process them, especially when doing the alpha blending stuff
2933 * along the way, so just make sure there's some room in the FIFO and
2934 * then hammer away
2935 * As it turns out we can, so make periodic stops to let the FIFO
2936 * drain.
2937 */
2938 radeonfb_wait_fifo(sc, 20);
2939 for (i = 0; i < ri->ri_fontscale; i++) {
2940 aval = *data;
2941 data++;
2942 if (aval == 0) {
2943 pixel = bg;
2944 } else if (aval == 255) {
2945 pixel = fg;
2946 } else {
2947 r = aval * rf + (255 - aval) * rb;
2948 g = aval * gf + (255 - aval) * gb;
2949 b = aval * bf + (255 - aval) * bb;
2950 pixel = (r & 0xff00) << 8 |
2951 (g & 0xff00) |
2952 (b & 0xff00) >> 8;
2953 }
2954 if (i & 16)
2955 radeonfb_wait_fifo(sc, 20);
2956 PUT32(sc, RADEON_HOST_DATA0, pixel);
2957 }
2958 if (rv == GC_ADD) {
2959 glyphcache_add(&dp->rd_gc, c, xd, yd);
2960 } else
2961 if (attr & 1)
2962 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2963
2964 }
2965
2966 static void
2967 radeonfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
2968 {
2969 struct rasops_info *ri = cookie;
2970 struct vcons_screen *scr = ri->ri_hw;
2971 struct radeonfb_display *dp = scr->scr_cookie;
2972 struct radeonfb_softc *sc = dp->rd_softc;
2973 struct wsdisplay_font *font = PICK_FONT(ri, c);
2974 uint32_t bg, fg, latch = 0, bg8, fg8, pixel, gmc;
2975 int i, x, y, wi, he, r, g, b, aval;
2976 int r1, g1, b1, r0, g0, b0, fgo, bgo;
2977 uint8_t *data8;
2978 int rv, cnt;
2979
2980 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2981 return;
2982
2983 if (!CHAR_IN_FONT(c, font))
2984 return;
2985
2986 wi = font->fontwidth;
2987 he = font->fontheight;
2988
2989 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2990 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2991
2992 x = ri->ri_xorigin + col * wi;
2993 y = ri->ri_yorigin + row * he;
2994
2995 if (c == 0x20) {
2996 radeonfb_rectfill(dp, x, y, wi, he, bg);
2997 if (attr & 1)
2998 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
2999 return;
3000 }
3001 rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
3002 if (rv == GC_OK)
3003 return;
3004
3005 data8 = WSFONT_GLYPH(c, font);
3006
3007 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3008
3009 radeonfb_wait_fifo(sc, 5);
3010
3011 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3012 RADEON_GMC_BRUSH_NONE |
3013 RADEON_GMC_SRC_DATATYPE_COLOR |
3014 RADEON_ROP3_S |
3015 RADEON_DP_SRC_SOURCE_HOST_DATA |
3016 RADEON_GMC_CLR_CMP_CNTL_DIS |
3017 RADEON_GMC_WR_MSK_DIS |
3018 gmc);
3019
3020 PUT32(sc, RADEON_DP_CNTL,
3021 RADEON_DST_X_LEFT_TO_RIGHT |
3022 RADEON_DST_Y_TOP_TO_BOTTOM);
3023
3024 PUT32(sc, RADEON_SRC_X_Y, 0);
3025 PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
3026 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
3027
3028 /*
3029 * we need the RGB colours here, so get offsets into rasops_cmap
3030 */
3031 fgo = ((attr >> 24) & 0xf) * 3;
3032 bgo = ((attr >> 16) & 0xf) * 3;
3033
3034 r0 = rasops_cmap[bgo];
3035 r1 = rasops_cmap[fgo];
3036 g0 = rasops_cmap[bgo + 1];
3037 g1 = rasops_cmap[fgo + 1];
3038 b0 = rasops_cmap[bgo + 2];
3039 b1 = rasops_cmap[fgo + 2];
3040 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
3041 bg8 = R3G3B2(r0, g0, b0);
3042 fg8 = R3G3B2(r1, g1, b1);
3043
3044 radeonfb_wait_fifo(sc, 20);
3045 cnt = 0;
3046 for (i = 0; i < ri->ri_fontscale; i++) {
3047 aval = *data8;
3048 if (aval == 0) {
3049 pixel = bg8;
3050 } else if (aval == 255) {
3051 pixel = fg8;
3052 } else {
3053 r = aval * r1 + (255 - aval) * r0;
3054 g = aval * g1 + (255 - aval) * g0;
3055 b = aval * b1 + (255 - aval) * b0;
3056 pixel = ((r & 0xe000) >> 8) |
3057 ((g & 0xe000) >> 11) |
3058 ((b & 0xc000) >> 14);
3059 }
3060 latch |= pixel << (8 * (i & 3));
3061 /* write in 32bit chunks */
3062 if ((i & 3) == 3) {
3063 PUT32(sc, RADEON_HOST_DATA0, latch);
3064 /*
3065 * not strictly necessary, old data should be shifted
3066 * out
3067 */
3068 latch = 0;
3069 cnt++;
3070 if (cnt > 16) {
3071 cnt = 0;
3072 radeonfb_wait_fifo(sc, 20);
3073 }
3074 }
3075 data8++;
3076 }
3077 /* if we have pixels left in latch write them out */
3078 if ((i & 3) != 0) {
3079 /*
3080 * radeon is weird - apparently leftover pixels are written
3081 * from the middle, not from the left as everything else
3082 */
3083 PUT32(sc, RADEON_HOST_DATA0, latch);
3084 }
3085
3086 if (rv == GC_ADD) {
3087 glyphcache_add(&dp->rd_gc, c, x, y);
3088 } else
3089 if (attr & 1)
3090 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
3091
3092 }
3093
3094 /*
3095 * wrapper for software character drawing
3096 * just sync the engine and call rasops*_putchar()
3097 */
3098
3099 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
3100 static void
3101 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
3102 {
3103 struct rasops_info *ri = cookie;
3104 struct vcons_screen *scr = ri->ri_hw;
3105 struct radeonfb_display *dp = scr->scr_cookie;
3106
3107 radeonfb_engine_idle(dp->rd_softc);
3108 dp->rd_putchar(ri, row, col, c, attr);
3109 }
3110 #endif
3111
3112 static void
3113 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
3114 {
3115 struct rasops_info *ri = cookie;
3116 struct vcons_screen *scr = ri->ri_hw;
3117 struct radeonfb_display *dp = scr->scr_cookie;
3118 uint32_t x, y, w, h, fg, bg, ul;
3119
3120 /* XXX: check for full emulation mode? */
3121 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3122 x = ri->ri_xorigin;
3123 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3124 w = ri->ri_emuwidth;
3125 h = ri->ri_font->fontheight * nrows;
3126
3127 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3128 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3129 }
3130 }
3131
3132 static void
3133 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
3134 {
3135 struct rasops_info *ri = cookie;
3136 struct vcons_screen *scr = ri->ri_hw;
3137 struct radeonfb_display *dp = scr->scr_cookie;
3138 uint32_t x, ys, yd, w, h;
3139
3140 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3141 x = ri->ri_xorigin;
3142 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
3143 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
3144 w = ri->ri_emuwidth;
3145 h = ri->ri_font->fontheight * nrows;
3146 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
3147 RADEON_ROP3_S);
3148 }
3149 }
3150
3151 static void
3152 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
3153 {
3154 struct rasops_info *ri = cookie;
3155 struct vcons_screen *scr = ri->ri_hw;
3156 struct radeonfb_display *dp = scr->scr_cookie;
3157 uint32_t xs, xd, y, w, h;
3158
3159 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3160 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
3161 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
3162 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3163 w = ri->ri_font->fontwidth * ncols;
3164 h = ri->ri_font->fontheight;
3165 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
3166 RADEON_ROP3_S);
3167 }
3168 }
3169
3170 static void
3171 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
3172 long fillattr)
3173 {
3174 struct rasops_info *ri = cookie;
3175 struct vcons_screen *scr = ri->ri_hw;
3176 struct radeonfb_display *dp = scr->scr_cookie;
3177 uint32_t x, y, w, h, fg, bg, ul;
3178
3179 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3180 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
3181 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3182 w = ri->ri_font->fontwidth * ncols;
3183 h = ri->ri_font->fontheight;
3184
3185 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3186 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3187 }
3188 }
3189
3190 static void
3191 radeonfb_cursor(void *cookie, int on, int row, int col)
3192 {
3193 struct rasops_info *ri = cookie;
3194 struct vcons_screen *scr = ri->ri_hw;
3195 struct radeonfb_display *dp = scr->scr_cookie;
3196 int x, y, wi, he;
3197
3198 wi = ri->ri_font->fontwidth;
3199 he = ri->ri_font->fontheight;
3200
3201 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3202 x = ri->ri_ccol * wi + ri->ri_xorigin;
3203 y = ri->ri_crow * he + ri->ri_yorigin;
3204 /* first turn off the old cursor */
3205 if (ri->ri_flg & RI_CURSOR) {
3206 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3207 RADEON_ROP3_Dn);
3208 ri->ri_flg &= ~RI_CURSOR;
3209 }
3210 ri->ri_crow = row;
3211 ri->ri_ccol = col;
3212 /* then (possibly) turn on the new one */
3213 if (on) {
3214 x = ri->ri_ccol * wi + ri->ri_xorigin;
3215 y = ri->ri_crow * he + ri->ri_yorigin;
3216 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3217 RADEON_ROP3_Dn);
3218 ri->ri_flg |= RI_CURSOR;
3219 }
3220 } else {
3221 scr->scr_ri.ri_crow = row;
3222 scr->scr_ri.ri_ccol = col;
3223 scr->scr_ri.ri_flg &= ~RI_CURSOR;
3224 }
3225 }
3226
3227 /*
3228 * Underlying acceleration support.
3229 */
3230
3231 static void
3232 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
3233 int width, int height, uint32_t color)
3234 {
3235 struct radeonfb_softc *sc = dp->rd_softc;
3236 uint32_t gmc;
3237
3238 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3239
3240 radeonfb_wait_fifo(sc, 6);
3241
3242 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3243 RADEON_GMC_BRUSH_SOLID_COLOR |
3244 RADEON_GMC_SRC_DATATYPE_COLOR |
3245 RADEON_GMC_CLR_CMP_CNTL_DIS |
3246 RADEON_ROP3_P | gmc);
3247
3248 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
3249 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3250 PUT32(sc, RADEON_DP_CNTL,
3251 RADEON_DST_X_LEFT_TO_RIGHT |
3252 RADEON_DST_Y_TOP_TO_BOTTOM);
3253 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3254 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3255
3256 }
3257
3258 static void
3259 radeonfb_rectfill_a(void *cookie, int dstx, int dsty,
3260 int width, int height, long attr)
3261 {
3262 struct radeonfb_display *dp = cookie;
3263
3264 radeonfb_rectfill(dp, dstx, dsty, width, height,
3265 dp->rd_vscreen.scr_ri.ri_devcmap[(attr >> 24 & 0xf)]);
3266 }
3267
3268 static void
3269 radeonfb_bitblt(void *cookie, int srcx, int srcy,
3270 int dstx, int dsty, int width, int height, int rop)
3271 {
3272 struct radeonfb_display *dp = cookie;
3273 struct radeonfb_softc *sc = dp->rd_softc;
3274 uint32_t gmc;
3275 uint32_t dir;
3276
3277 if (dsty < srcy) {
3278 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
3279 } else {
3280 srcy += height - 1;
3281 dsty += height - 1;
3282 dir = 0;
3283 }
3284 if (dstx < srcx) {
3285 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
3286 } else {
3287 srcx += width - 1;
3288 dstx += width - 1;
3289 }
3290
3291 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3292
3293 radeonfb_wait_fifo(sc, 6);
3294
3295 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3296 RADEON_GMC_BRUSH_SOLID_COLOR |
3297 RADEON_GMC_SRC_DATATYPE_COLOR |
3298 RADEON_GMC_CLR_CMP_CNTL_DIS |
3299 RADEON_DP_SRC_SOURCE_MEMORY |
3300 rop | gmc);
3301
3302 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3303 PUT32(sc, RADEON_DP_CNTL, dir);
3304 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
3305 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3306 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3307 }
3308
3309 static void
3310 radeonfb_engine_idle(struct radeonfb_softc *sc)
3311 {
3312
3313 radeonfb_wait_fifo(sc, 64);
3314 while ((GET32(sc, RADEON_RBBM_STATUS) &
3315 RADEON_RBBM_ACTIVE) != 0);
3316 radeonfb_engine_flush(sc);
3317 }
3318
3319 static inline void
3320 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
3321 {
3322 int i;
3323
3324 for (i = RADEON_TIMEOUT; i; i--) {
3325 if ((GET32(sc, RADEON_RBBM_STATUS) &
3326 RADEON_RBBM_FIFOCNT_MASK) >= n)
3327 return;
3328 }
3329 #ifdef DIAGNOSTIC
3330 if (!i)
3331 printf("%s: timed out waiting for fifo (%x)\n",
3332 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
3333 #endif
3334 }
3335
3336 static void
3337 radeonfb_engine_flush(struct radeonfb_softc *sc)
3338 {
3339 int i = 0;
3340
3341 if (IS_R300(sc)) {
3342 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
3343 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
3344 i++;
3345 }
3346 } else {
3347 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
3348 RADEON_RB2D_DC_FLUSH_ALL);
3349 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
3350 RADEON_RB2D_DC_BUSY) {
3351 i++;
3352 }
3353 }
3354 #ifdef DIAGNOSTIC
3355 if (i > RADEON_TIMEOUT)
3356 printf("%s: engine flush timed out!\n", XNAME(sc));
3357 #endif
3358 }
3359
3360 static inline void
3361 radeonfb_unclip(struct radeonfb_softc *sc)
3362 {
3363
3364 radeonfb_wait_fifo(sc, 2);
3365 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3366 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3367 }
3368
3369 static void
3370 radeonfb_engine_init(struct radeonfb_display *dp)
3371 {
3372 struct radeonfb_softc *sc = dp->rd_softc;
3373 uint32_t pitch;
3374
3375 /* no 3D */
3376 PUT32(sc, RADEON_RB3D_CNTL, 0);
3377
3378 radeonfb_engine_reset(sc);
3379 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
3380
3381 radeonfb_wait_fifo(sc, 1);
3382 if (!IS_R300(sc))
3383 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
3384
3385 radeonfb_wait_fifo(sc, 3);
3386 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
3387 (pitch << 22) | (sc->sc_aperbase >> 10));
3388
3389
3390 PUT32(sc, RADEON_DST_PITCH_OFFSET,
3391 (pitch << 22) | (sc->sc_aperbase >> 10));
3392 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
3393 (pitch << 22) | (sc->sc_aperbase >> 10));
3394
3395 (void)GET32(sc, RADEON_DP_DATATYPE);
3396
3397 /* default scissors -- no clipping */
3398 radeonfb_wait_fifo(sc, 1);
3399 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
3400 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
3401
3402 radeonfb_wait_fifo(sc, 1);
3403 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3404 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
3405 RADEON_GMC_CLR_CMP_CNTL_DIS |
3406 RADEON_GMC_BRUSH_SOLID_COLOR |
3407 RADEON_GMC_SRC_DATATYPE_COLOR);
3408
3409 radeonfb_wait_fifo(sc, 10);
3410 PUT32(sc, RADEON_DST_LINE_START, 0);
3411 PUT32(sc, RADEON_DST_LINE_END, 0);
3412 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
3413 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
3414 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
3415 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
3416 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3417 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3418 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3419 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
3420 radeonfb_engine_idle(sc);
3421 }
3422
3423 static void
3424 radeonfb_engine_reset(struct radeonfb_softc *sc)
3425 {
3426 uint32_t hpc, rbbm, mclkcntl, clkindex;
3427
3428 radeonfb_engine_flush(sc);
3429
3430 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3431 if (HAS_R300CG(sc))
3432 radeonfb_r300cg_workaround(sc);
3433 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
3434
3435 /*
3436 * According to comments in XFree code, resetting the HDP via
3437 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
3438 * So we use HOST_PATH_CNTL instead.
3439 */
3440
3441 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
3442 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
3443 if (IS_R300(sc)) {
3444 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3445 RADEON_SOFT_RESET_CP |
3446 RADEON_SOFT_RESET_HI |
3447 RADEON_SOFT_RESET_E2);
3448 GET32(sc, RADEON_RBBM_SOFT_RESET);
3449 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
3450 /*
3451 * XXX: this bit is not defined in any ATI docs I have,
3452 * nor in the XFree code, but XFree does it. Why?
3453 */
3454 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
3455 } else {
3456 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3457 RADEON_SOFT_RESET_CP |
3458 RADEON_SOFT_RESET_SE |
3459 RADEON_SOFT_RESET_RE |
3460 RADEON_SOFT_RESET_PP |
3461 RADEON_SOFT_RESET_E2 |
3462 RADEON_SOFT_RESET_RB);
3463 GET32(sc, RADEON_RBBM_SOFT_RESET);
3464 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
3465 ~(RADEON_SOFT_RESET_CP |
3466 RADEON_SOFT_RESET_SE |
3467 RADEON_SOFT_RESET_RE |
3468 RADEON_SOFT_RESET_PP |
3469 RADEON_SOFT_RESET_E2 |
3470 RADEON_SOFT_RESET_RB));
3471 GET32(sc, RADEON_RBBM_SOFT_RESET);
3472 }
3473
3474 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
3475 GET32(sc, RADEON_HOST_PATH_CNTL);
3476 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
3477
3478 if (IS_R300(sc))
3479 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
3480
3481 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
3482 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
3483 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
3484
3485 if (HAS_R300CG(sc))
3486 radeonfb_r300cg_workaround(sc);
3487 }
3488
3489 static int
3490 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
3491 {
3492 int x, y;
3493
3494 x = pos->x;
3495 y = pos->y;
3496
3497 /*
3498 * This doesn't let a cursor move off the screen. I'm not
3499 * sure if this will have negative effects for e.g. Xinerama.
3500 * I'd guess Xinerama handles it by changing the cursor shape,
3501 * but that needs verification.
3502 */
3503 if (x >= dp->rd_virtx)
3504 x = dp->rd_virtx - 1;
3505 if (x < 0)
3506 x = 0;
3507 if (y >= dp->rd_virty)
3508 y = dp->rd_virty - 1;
3509 if (y < 0)
3510 y = 0;
3511
3512 dp->rd_cursor.rc_pos.x = x;
3513 dp->rd_cursor.rc_pos.y = y;
3514
3515 radeonfb_cursor_position(dp);
3516 return 0;
3517 }
3518
3519 static int
3520 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3521 {
3522 unsigned flags;
3523
3524 uint8_t r[2], g[2], b[2];
3525 unsigned index, count;
3526 int i, err;
3527 int pitch, size;
3528 struct radeonfb_cursor nc;
3529
3530 flags = wc->which;
3531
3532 /* copy old values */
3533 nc = dp->rd_cursor;
3534
3535 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3536 index = wc->cmap.index;
3537 count = wc->cmap.count;
3538
3539 if (index >= 2 || (index + count) > 2)
3540 return EINVAL;
3541
3542 err = copyin(wc->cmap.red, &r[index], count);
3543 if (err)
3544 return err;
3545 err = copyin(wc->cmap.green, &g[index], count);
3546 if (err)
3547 return err;
3548 err = copyin(wc->cmap.blue, &b[index], count);
3549 if (err)
3550 return err;
3551
3552 for (i = index; i < index + count; i++) {
3553 nc.rc_cmap[i] =
3554 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3555 }
3556 }
3557
3558 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3559 if ((wc->size.x > RADEON_CURSORMAXX) ||
3560 (wc->size.y > RADEON_CURSORMAXY))
3561 return EINVAL;
3562
3563 /* figure bytes per line */
3564 pitch = (wc->size.x + 7) / 8;
3565 size = pitch * wc->size.y;
3566
3567 /* clear the old cursor and mask */
3568 memset(nc.rc_image, 0, 512);
3569 memset(nc.rc_mask, 0, 512);
3570
3571 nc.rc_size = wc->size;
3572
3573 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
3574 return err;
3575
3576 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
3577 return err;
3578 }
3579
3580 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3581 nc.rc_hot = wc->hot;
3582 if (nc.rc_hot.x >= nc.rc_size.x)
3583 nc.rc_hot.x = nc.rc_size.x - 1;
3584 if (nc.rc_hot.y >= nc.rc_size.y)
3585 nc.rc_hot.y = nc.rc_size.y - 1;
3586 }
3587
3588 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3589 nc.rc_pos = wc->pos;
3590 if (nc.rc_pos.x >= dp->rd_virtx)
3591 nc.rc_pos.x = dp->rd_virtx - 1;
3592 #if 0
3593 if (nc.rc_pos.x < 0)
3594 nc.rc_pos.x = 0;
3595 #endif
3596 if (nc.rc_pos.y >= dp->rd_virty)
3597 nc.rc_pos.y = dp->rd_virty - 1;
3598 #if 0
3599 if (nc.rc_pos.y < 0)
3600 nc.rc_pos.y = 0;
3601 #endif
3602 }
3603 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3604 nc.rc_visible = wc->enable;
3605 }
3606
3607 dp->rd_cursor = nc;
3608 radeonfb_cursor_update(dp, wc->which);
3609
3610 return 0;
3611 }
3612
3613 static uint8_t
3614 radeonfb_backwards(uint8_t d)
3615 {
3616 uint8_t l;
3617
3618 l = d << 7;
3619 l |= ((d & 0x02) << 5);
3620 l |= ((d & 0x04) << 3);
3621 l |= ((d & 0x08) << 1);
3622 l |= ((d & 0x10) >> 1);
3623 l |= ((d & 0x20) >> 3);
3624 l |= ((d & 0x40) >> 5);
3625 l |= ((d & 0x80) >> 7);
3626 return l;
3627 }
3628
3629 /*
3630 * Change the cursor shape. Call this with the cursor locked to avoid
3631 * flickering/tearing.
3632 */
3633 static void
3634 radeonfb_cursor_shape(struct radeonfb_display *dp)
3635 {
3636 uint8_t and[512], xor[512];
3637 int i, j, src, dst /* , pitch */;
3638 const uint8_t *msk = dp->rd_cursor.rc_mask;
3639 const uint8_t *img = dp->rd_cursor.rc_image;
3640
3641 /*
3642 * Radeon cursor data interleaves one line of AND data followed
3643 * by a line of XOR data. (Each line corresponds to a whole hardware
3644 * pitch - i.e. 64 pixels or 8 bytes.)
3645 *
3646 * The cursor is displayed using the following table:
3647 *
3648 * AND XOR Result
3649 * ----------------------
3650 * 0 0 Cursor color 0
3651 * 0 1 Cursor color 1
3652 * 1 0 Transparent
3653 * 1 1 Complement of background
3654 *
3655 * Our masks are therefore different from what we were passed.
3656 * Passed in, I'm assuming the data represents either color 0 or 1,
3657 * and a mask, so the passed in table looks like:
3658 *
3659 * IMG Mask Result
3660 * -----------------------
3661 * 0 0 Transparent
3662 * 0 1 Cursor color 0
3663 * 1 0 Transparent
3664 * 1 1 Cursor color 1
3665 *
3666 * IF mask bit == 1, AND = 0, XOR = color.
3667 * IF mask bit == 0, AND = 1, XOR = 0.
3668 *
3669 * hence: AND = ~(mask); XOR = color & ~(mask);
3670 */
3671
3672 /* pitch = ((dp->rd_cursor.rc_size.x + 7) / 8); */
3673
3674 /* start by assuming all bits are transparent */
3675 memset(and, 0xff, 512);
3676 memset(xor, 0x00, 512);
3677
3678 src = 0;
3679 dst = 0;
3680 for (i = 0; i < 64; i++) {
3681 for (j = 0; j < 64; j += 8) {
3682 if ((i < dp->rd_cursor.rc_size.y) &&
3683 (j < dp->rd_cursor.rc_size.x)) {
3684
3685 /* take care to leave odd bits alone */
3686 and[dst] &= ~(msk[src]);
3687 xor[dst] = img[src] & msk[src];
3688 src++;
3689 }
3690 dst++;
3691 }
3692 }
3693
3694 for (i = 0; i < 512; i++) {
3695 and[i] = radeonfb_backwards(and[i]);
3696 xor[i] = radeonfb_backwards(xor[i]);
3697 }
3698
3699 /* copy the image into place */
3700 for (i = 0; i < 64; i++) {
3701 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3702 &and[i * 8], 8);
3703 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3704 &xor[i * 8], 8);
3705 }
3706 }
3707
3708 static void
3709 radeonfb_cursor_position(struct radeonfb_display *dp)
3710 {
3711 struct radeonfb_softc *sc = dp->rd_softc;
3712 uint32_t offset, hvoff, hvpos; /* registers */
3713 uint32_t coff; /* cursor offset */
3714 int i, x, y, xoff, yoff, crtcoff;
3715
3716 /*
3717 * XXX: this also needs to handle pan/scan
3718 */
3719 for (i = 0; i < dp->rd_ncrtcs; i++) {
3720
3721 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3722
3723 if (rcp->rc_number) {
3724 offset = RADEON_CUR2_OFFSET;
3725 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3726 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3727 crtcoff = RADEON_CRTC2_OFFSET;
3728 } else {
3729 offset = RADEON_CUR_OFFSET;
3730 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3731 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3732 crtcoff = RADEON_CRTC_OFFSET;
3733 }
3734
3735 x = dp->rd_cursor.rc_pos.x;
3736 y = dp->rd_cursor.rc_pos.y;
3737
3738 while (y < rcp->rc_yoffset) {
3739 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3740 }
3741 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3742 rcp->rc_yoffset += RADEON_PANINCREMENT;
3743 }
3744 while (x < rcp->rc_xoffset) {
3745 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3746 }
3747 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3748 rcp->rc_xoffset += RADEON_PANINCREMENT;
3749 }
3750
3751 /* adjust for the cursor's hotspot */
3752 x -= dp->rd_cursor.rc_hot.x;
3753 y -= dp->rd_cursor.rc_hot.y;
3754 xoff = yoff = 0;
3755
3756 if (x >= dp->rd_virtx)
3757 x = dp->rd_virtx - 1;
3758 if (y >= dp->rd_virty)
3759 y = dp->rd_virty - 1;
3760
3761 /* now adjust cursor so it is relative to viewport */
3762 x -= rcp->rc_xoffset;
3763 y -= rcp->rc_yoffset;
3764
3765 /*
3766 * no need to check for fall off, because we should
3767 * never move off the screen entirely!
3768 */
3769 coff = 0;
3770 if (x < 0) {
3771 xoff = -x;
3772 x = 0;
3773 }
3774 if (y < 0) {
3775 yoff = -y;
3776 y = 0;
3777 coff = (yoff * 2) * 8;
3778 }
3779
3780 /* pan the display */
3781 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3782 rcp->rc_xoffset);
3783
3784 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3785 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3786 /* NB: this unlocks the cursor */
3787 PUT32(sc, hvpos, (x << 16) | y);
3788 }
3789 }
3790
3791 static void
3792 radeonfb_cursor_visible(struct radeonfb_display *dp)
3793 {
3794 int i;
3795 uint32_t gencntl, bit;
3796
3797 for (i = 0; i < dp->rd_ncrtcs; i++) {
3798 if (dp->rd_crtcs[i].rc_number) {
3799 gencntl = RADEON_CRTC2_GEN_CNTL;
3800 bit = RADEON_CRTC2_CUR_EN;
3801 } else {
3802 gencntl = RADEON_CRTC_GEN_CNTL;
3803 bit = RADEON_CRTC_CUR_EN;
3804 }
3805
3806 if (dp->rd_cursor.rc_visible)
3807 SET32(dp->rd_softc, gencntl, bit);
3808 else
3809 CLR32(dp->rd_softc, gencntl, bit);
3810 }
3811 }
3812
3813 static void
3814 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3815 {
3816 int i;
3817 uint32_t c0reg, c1reg;
3818 struct radeonfb_softc *sc = dp->rd_softc;
3819
3820 for (i = 0; i < dp->rd_ncrtcs; i++) {
3821 if (dp->rd_crtcs[i].rc_number) {
3822 c0reg = RADEON_CUR2_CLR0;
3823 c1reg = RADEON_CUR2_CLR1;
3824 } else {
3825 c0reg = RADEON_CUR_CLR0;
3826 c1reg = RADEON_CUR_CLR1;
3827 }
3828
3829 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3830 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3831 }
3832 }
3833
3834 static void
3835 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3836 {
3837 struct radeonfb_softc *sc;
3838 int i;
3839
3840 sc = dp->rd_softc;
3841 for (i = 0; i < dp->rd_ncrtcs; i++) {
3842 if (dp->rd_crtcs[i].rc_number) {
3843 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3844 } else {
3845 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3846 }
3847 }
3848
3849 if (which & WSDISPLAY_CURSOR_DOCMAP)
3850 radeonfb_cursor_cmap(dp);
3851
3852 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3853 radeonfb_cursor_shape(dp);
3854
3855 if (which & WSDISPLAY_CURSOR_DOCUR)
3856 radeonfb_cursor_visible(dp);
3857
3858 /* this one is unconditional, because it updates other stuff */
3859 radeonfb_cursor_position(dp);
3860 }
3861
3862 static struct videomode *
3863 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3864 {
3865 int r1, r2;
3866
3867 /* otherwise pick the higher refresh rate */
3868 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3869 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3870
3871 return (r1 < r2 ? m2 : m1);
3872 }
3873
3874 static const struct videomode *
3875 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3876 int x, int y)
3877 {
3878 struct edid_info *ep = &rp->rp_edid;
3879 struct videomode *vmp = NULL;
3880 int i;
3881
3882 if (!rp->rp_edid_valid) {
3883 /* fallback to safe mode */
3884 return radeonfb_modelookup(sc->sc_defaultmode);
3885 }
3886
3887 /* always choose the preferred mode first! */
3888 if (ep->edid_preferred_mode) {
3889
3890 /* XXX: add auto-stretching support for native mode */
3891
3892 /* this may want panning to occur, btw */
3893 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3894 (ep->edid_preferred_mode->vdisplay <= y))
3895 return ep->edid_preferred_mode;
3896 }
3897
3898 for (i = 0; i < ep->edid_nmodes; i++) {
3899 /*
3900 * We elect to pick a resolution that is too large for
3901 * the monitor than one that is too small. This means
3902 * that we will prefer to pan rather than to try to
3903 * center a smaller display on a larger screen. In
3904 * practice, this shouldn't matter because if a
3905 * monitor can support a larger resolution, it can
3906 * probably also support the smaller. A specific
3907 * exception is fixed format panels, but hopefully
3908 * they are properly dealt with by the "autostretch"
3909 * logic above.
3910 */
3911 if ((ep->edid_modes[i].hdisplay > x) ||
3912 (ep->edid_modes[i].vdisplay > y)) {
3913 continue;
3914 }
3915
3916 /*
3917 * at this point, the display mode is no larger than
3918 * what we've requested.
3919 */
3920 if (vmp == NULL)
3921 vmp = &ep->edid_modes[i];
3922
3923 /* eliminate smaller modes */
3924 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3925 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3926 continue;
3927
3928 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3929 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3930 vmp = &ep->edid_modes[i];
3931 continue;
3932 }
3933
3934 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3935 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3936
3937 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3938 }
3939
3940 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3941 }
3942
3943 static int
3944 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3945 {
3946 int i;
3947
3948 for (i = 0; i < nlist; i++) {
3949 if ((x == list[i].hdisplay) &&
3950 (y == list[i].vdisplay)) {
3951 return 1;
3952 }
3953 }
3954 return 0;
3955 }
3956
3957 static void
3958 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3959 int pan)
3960 {
3961 struct radeonfb_port *rp;
3962 struct edid_info *ep;
3963 int i, j;
3964
3965 *x = 0;
3966 *y = 0;
3967
3968 if (pan) {
3969 for (i = 0; i < dp->rd_ncrtcs; i++) {
3970 rp = dp->rd_crtcs[i].rc_port;
3971 ep = &rp->rp_edid;
3972 if (!rp->rp_edid_valid) {
3973 /* monitor not present */
3974 continue;
3975 }
3976
3977 /*
3978 * For now we are ignoring "conflict" that
3979 * could occur when mixing some modes like
3980 * 1280x1024 and 1400x800. It isn't clear
3981 * which is better, so the first one wins.
3982 */
3983 for (j = 0; j < ep->edid_nmodes; j++) {
3984 /*
3985 * ignore resolutions that are too big for
3986 * the radeon
3987 */
3988 if (ep->edid_modes[j].hdisplay >
3989 dp->rd_softc->sc_maxx)
3990 continue;
3991 if (ep->edid_modes[j].vdisplay >
3992 dp->rd_softc->sc_maxy)
3993 continue;
3994
3995 /*
3996 * pick largest resolution, the
3997 * smaller monitor will pan
3998 */
3999 if ((ep->edid_modes[j].hdisplay >= *x) &&
4000 (ep->edid_modes[j].vdisplay >= *y)) {
4001 *x = ep->edid_modes[j].hdisplay;
4002 *y = ep->edid_modes[j].vdisplay;
4003 }
4004 }
4005 }
4006
4007 } else {
4008 struct videomode modes[64];
4009 int nmodes = 0;
4010 int valid = 0;
4011
4012 for (i = 0; i < dp->rd_ncrtcs; i++) {
4013 /*
4014 * pick the largest resolution in common.
4015 */
4016 rp = dp->rd_crtcs[i].rc_port;
4017 ep = &rp->rp_edid;
4018
4019 if (!rp->rp_edid_valid)
4020 continue;
4021
4022 if (!valid) {
4023 /*
4024 * Pick the preferred mode for this port
4025 * if available.
4026 */
4027 if (ep->edid_preferred_mode) {
4028 struct videomode *vmp =
4029 ep->edid_preferred_mode;
4030
4031 if ((vmp->hdisplay <=
4032 dp->rd_softc->sc_maxx) &&
4033 (vmp->vdisplay <=
4034 dp->rd_softc->sc_maxy))
4035 modes[nmodes++] = *vmp;
4036 } else {
4037
4038 /* initialize starting list */
4039 for (j = 0; j < ep->edid_nmodes; j++) {
4040 /*
4041 * ignore resolutions that are
4042 * too big for the radeon
4043 */
4044 if (ep->edid_modes[j].hdisplay >
4045 dp->rd_softc->sc_maxx)
4046 continue;
4047 if (ep->edid_modes[j].vdisplay >
4048 dp->rd_softc->sc_maxy)
4049 continue;
4050
4051 modes[nmodes] =
4052 ep->edid_modes[j];
4053 nmodes++;
4054 }
4055 }
4056 valid = 1;
4057 } else {
4058 /* merge into preexisting list */
4059 for (j = 0; j < nmodes; j++) {
4060 if (!radeonfb_hasres(ep->edid_modes,
4061 ep->edid_nmodes,
4062 modes[j].hdisplay,
4063 modes[j].vdisplay)) {
4064 modes[j] = modes[nmodes];
4065 j--;
4066 nmodes--;
4067 }
4068 }
4069 }
4070 }
4071
4072 /* now we have to pick from the merged list */
4073 for (i = 0; i < nmodes; i++) {
4074 if ((modes[i].hdisplay >= *x) &&
4075 (modes[i].vdisplay >= *y)) {
4076 *x = modes[i].hdisplay;
4077 *y = modes[i].vdisplay;
4078 }
4079 }
4080 }
4081
4082 if ((*x == 0) || (*y == 0)) {
4083 /* fallback to safe mode */
4084 *x = 640;
4085 *y = 480;
4086 }
4087 }
4088
4089 /*
4090 * backlight levels are linear on:
4091 * - RV200, RV250, RV280, RV350
4092 * - but NOT on PowerBook4,3 6,3 6,5
4093 * according to Linux' radeonfb
4094 */
4095
4096 /* Get the current backlight level for the display. */
4097
4098 static int
4099 radeonfb_get_backlight(struct radeonfb_display *dp)
4100 {
4101 int s;
4102 uint32_t level;
4103
4104 s = spltty();
4105
4106 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
4107 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
4108 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
4109
4110 /*
4111 * On some chips, we should negate the backlight level.
4112 * XXX Find out on which chips.
4113 */
4114 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
4115 level = RADEONFB_BACKLIGHT_MAX - level;
4116
4117 splx(s);
4118
4119 return level;
4120 }
4121
4122 /* Set the backlight to the given level for the display. */
4123 static void
4124 radeonfb_switch_backlight(struct radeonfb_display *dp, int on)
4125 {
4126 if (dp->rd_bl_on == on)
4127 return;
4128 dp->rd_bl_on = on;
4129 radeonfb_set_backlight(dp, dp->rd_bl_level);
4130 }
4131
4132 static int
4133 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
4134 {
4135 struct radeonfb_softc *sc = dp->rd_softc;;
4136 int rlevel, s;
4137 uint32_t lvds;
4138
4139 if(!sc->sc_mapped)
4140 return 0;
4141
4142 s = spltty();
4143
4144 dp->rd_bl_level = level;
4145 if (dp->rd_bl_on == 0)
4146 level = 0;
4147
4148 if (level < 0)
4149 level = 0;
4150 else if (level >= RADEONFB_BACKLIGHT_MAX)
4151 level = RADEONFB_BACKLIGHT_MAX;
4152
4153 /* On some chips, we should negate the backlight level. */
4154 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
4155 rlevel = RADEONFB_BACKLIGHT_MAX - level;
4156 } else
4157 rlevel = level;
4158
4159 callout_stop(&dp->rd_bl_lvds_co);
4160 radeonfb_engine_idle(sc);
4161
4162 /*
4163 * Turn off the display if the backlight is set to 0, since the
4164 * display is useless without backlight anyway.
4165 */
4166 if (level == 0)
4167 radeonfb_blank(dp, 1);
4168 else if (radeonfb_get_backlight(dp) == 0)
4169 radeonfb_blank(dp, 0);
4170
4171 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
4172 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
4173 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
4174 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
4175 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
4176 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4177 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4178 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4179 lvds |= RADEON_LVDS_ON;
4180 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
4181 } else {
4182 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4183 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4184 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4185 }
4186
4187 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
4188 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
4189 /* XXX What is the correct delay? */
4190 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
4191
4192 splx(s);
4193
4194 return 0;
4195 }
4196
4197 /*
4198 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
4199 * Set the delayed bits in the register, and clear the stored delayed
4200 * value.
4201 */
4202
4203 static void radeonfb_lvds_callout(void *arg)
4204 {
4205 struct radeonfb_display *dp = arg;
4206 int s;
4207
4208 s = splhigh();
4209
4210 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
4211 dp->rd_bl_lvds_val);
4212 dp->rd_bl_lvds_val = 0;
4213
4214 splx(s);
4215 }
4216
4217 static void
4218 radeonfb_brightness_up(device_t dev)
4219 {
4220 struct radeonfb_softc *sc = device_private(dev);
4221 struct radeonfb_display *dp = &sc->sc_displays[0];
4222 int level;
4223
4224 /* we assume the main display is the first one - need a better way */
4225 if (sc->sc_ndisplays < 1) return;
4226 /* make sure pushing the hotkeys always has an effect */
4227 dp->rd_bl_on = 1;
4228 level = dp->rd_bl_level;
4229 level = min(RADEONFB_BACKLIGHT_MAX, level + 5);
4230 radeonfb_set_backlight(dp, level);
4231 }
4232
4233 static void
4234 radeonfb_brightness_down(device_t dev)
4235 {
4236 struct radeonfb_softc *sc = device_private(dev);
4237 struct radeonfb_display *dp = &sc->sc_displays[0];
4238 int level;
4239
4240 /* we assume the main display is the first one - need a better way */
4241 if (sc->sc_ndisplays < 1) return;
4242 /* make sure pushing the hotkeys always has an effect */
4243 dp->rd_bl_on = 1;
4244 level = dp->rd_bl_level;
4245 level = max(0, level - 5);
4246 radeonfb_set_backlight(dp, level);
4247 }
4248